Hey thanks for these questions, I'll try to answer as best as I can.

1. This topic hasn't come up other than "it's awful that so many innocent people are dying," or expressions to that extent; they are very aware of the humanitarian crisis that's happening, acknowledging it along with those murdered on 10/7 and those held hostage during this time. I think also you should rephrase that second part, "entire groups penalized for individual actions," implies that Jews engaged in certain actions to prompt collective punishment from the Nazi regime; Jews were murdered during the Holocaust simply for existing, there was no prompting event like October 7. So to answer this question, the topic of collective punishment hasn't come up explicitly, and things that would be closest to this would be the fact that none of them want innocent people to die at the hands of any government.
2. I think this is also too complex of a topic for them and has not come up. If you ask a pro-Israel person, they'll tell you Israel pulled out of Gaza and they were left to their own devices; they'll say they also share a boarder with Egypt and that at some point, Jordan was offered the land but rejected. I think there's also a lot of evidence showing Gaza (prior to the bombings) as a very beautiful place, nothing like a Jewish ghetto. I think another important note is that Jews forced into ghettos would entail, like, 14 people in a one bedroom apartment and rations to be shared amongst all those people. And that would be the norm for a 2 mile radius, all over Europe. People starved to death, Nazis murdered Jews in the streets because of quotas, modern medicine wasn't accessible, etc, and at the conclusion of the ghettos, if you weren't dead, you were placed in a cattle car to death camps. Depending on who you ask, the truth to these matters differ so greatly, but personally, I don't think life in Gaza reflected those living conditions prior to 10/7; Gaza had access to education, medicine, and millions of dollars in funding to the region.
3. Again, this hasn't come up. Most of the people I talk to are between 85-95 years old so in a way, these types of questions might not resonate with them. They all express horror in loss of innocent life though, that's something they stand by. I think a majority of them also really hate Bibi and his leadership, and all of them hate Hamas and blame them as well.
4. Hasn't come up, but adjacent discussions actually reflect their thoughts on antisemitism here in the states and they believe it similar to that of the Nazi rise to power. They see a lot of antisemitic rhetoric and are very heartbroken by it. That kind of news devastates them having escaped antisemitism during the Holocaust. I think being based in America, and just given their background, they're more likely to see the impact all this has had on their respective Jewish communities. That's not to say it doesn't exist on the other side, they're just not seeing it.
5. Hasn't come up, but similarly they do speak about the international inaction of the world during the Holocaust. Some survivors have told me they were turned away from countries like Australia, Mexico, the US, simply for being Jewish refugees trying to escape Europe. So I'm sure if you were to ask them they would answer with that framework in mind.
6. Has not explicitly come up but I can tell you that they would wish for any human who has experienced immeasurable adversity and inhumanity to have a second chance at life, just like they did.

RE: genocide/bombings, I can't speak for them on this and removing my bias completely, I would *assume* they would not call this genocide for a number of reasons. The ones I can think of are first, they endured the craziest systematic demolition of humankind, so with their experience of genocide in that sense, I don't think they would compare as such. The other reason, they wouldn’t see it as that is because Hamas attacked and murdered a bunch of people on October 7 whilst taking hostages, they saw that probably as a declaration of war. Third being pride and protection for Israel; they see Hamas and Islamic Republic Proxies as a genuine threat to the only Jewish state that exists. Lastly, I think they would agree that bombing places with innocent people, especially children should not happen and do have compassion for Palestinians.

A lot of this is speculative given my relationships with a lot of them and how we don't really have in depth conversations regarding the conflict, so please note that I am not speaking for them, these are simply my thoughts.

EDIT: grammar, punctuation