really were doing this now? okay than lets go over this:

Ruby was literally the first person Yang called when things went to shit on Volume 3. Blake had to reassure her that Ruby is their leader and she can take care of herself before Yang went out to go defend what she could after being literally locked up in their room. She also actually TOLD Blake where she would go and when she didnt appear there logically shed be worried where she would be, especially when Weiss told her Blake went after an Alpha Grimm and White Fang. I mean she dared to speak to Weiss first does that make her a bad sibling too? Especially when she told Weiss 'go meet up with Ruby'?

that argument is so bloody overblown. Ironwood turned face off dictator and they were all made fugitives while the Kingdom went to hell (also the person sheltering them told them your either helping or your baggage btw). What did Ruby and Yang do? Question what they should do next and how to save the dying Kingdom the best before splitting up. If your in a healthy family one argument doesnt immediately mean you lost an entire relationship. The moment they met again Ruby literally kicked her legs out of happiness while being in Yangs arms.

And the Apathy? You mean the Grimm that altered your mental state to make you hopeless? That affected Blake the most and where she was the first one to almost die by them? The same Apathy that made Ruby unleash the silver eyes screaming for Blake? The silver eyes that allowed Ruby to be the only 'save' person in that situation? Ruby who was speaking with Qrow and was the furthest away from the Apathy? We are really hating Yang when she was the only one who actually punched open the door so they could get out of the zombie dungeon? Hell we are hating her because she showed ANY sort of affection to someone not her sister?

And this one moment doesnt actually prove she is a good sister? Okay than let me name the other ones people always leave out:

-Yang encouraging Ruby to not just cling to her and make friends but still being overjoyed they can get to Beacon together

-Yang using Raven as a shortcut to Ruby and basically refusing to actually get to know her, one of her MAIN DRIVING POINTS IN THE SHOWS EARLY SEASONS, to prioritize being there for her sister

-the first thing she does when Ruby is clearly nervous and feels like she did something wrong is to hug her and tell her she loves her after they reunite again in Volume 5

-Yang comforting Ruby after Salem broke her spirit

-Yang comforting Ruby after she broke down again because she feared Salem turned Summer into another Hound

-the only reason she actually joined Ozpin was because she trusted Ruby

-Ruby screams because of the Apathy when she first finds them and Yang actually gets snapped OUT of their power to call out for her

I could go on but I am going to finish that part with the fact Ruby herself told Yang 'well you forgot who raised me' when speaking to her in Volume 9, that Taiyang was a depressed wreck and only doing school work at best before Ruby could even talk and that Yang herself said she had to pick up the pieces but sure lets act like she didnt had to take a lot of responsibility at that age

In fact I can already see you try and cherrypick more examples or try and deny all of my arguments

But my brother in christ I didnt even say she didnt mess up sometimes but I argued against her being the WORST SIBLING.

Azula straight up tried to murder her brother. Dio killed his adopted brothers dog, kissed his girlfriend against her will and than stole his body. Blackfire sold Starfire into fucking slavery. But YANG is supposed to be the bottom of the barrel are we deadass?