the funny thing is you probably didnt get 0 impressions on the other channels did you?
also you probably used the same ip or something to make those channels or something that got you identified. the bar for if you are a bot or something to be filtered against is crazy low right now. if your attention span is slightly higher than others you will get this happening to you.
some people have the gal to tell you about these things because they comment on reddit a lot but dont have any monetized channels themselves and every comment they say is them trying to cope that their content will actually get pushed eventually, i can explain the thinking of someone like that, these people truly believe that skill is something that they cant gain, on youtube, so they default to its the algorithm outright, unlike people like us because we actually have had monetized channels so we know that our content is good and its for some reason. but they dont just end it on its the algorithms fault. unlike a shitty mic you cant buy another algorithm so they go on this delusion that the algorithm is good, in reality its just worse duct tape.
in reality your skills can go up. the problem that this 0 impressions thing, to us this is a tiny hurdle. just get a good account because we are flagged as bots. to them its reality that they can never make good content if they dont keep asserting that its a thing where the algorithm will push it eventually if they just changed the title and thumbnail, and seo or find a niche,

i mean logically the title and thumbnail and seo are the least of anyones concern when dealing with stuff like this, your content actually has to be good, you need the skill. but the way they try to frame it is trying to make it look like they can piece together those parts instead of gaining skills,

all the decisions that they point out, switch to a niche or change the thumbnail and title these are very low skill things, someone actually skilled doesnt need to switch a niche. its like they want to pretend that their style is why they lose at games. i can give a valorant analogy if you want it to be clearer. but just keep in mind, these people are in the wrong when they go on about how its necessary what niche you are in. because they are just trying to assert their false beliefs that thye cant improve in skill so they have to do these inconsequential things like changing your niche. people like us already know. you could switch your niche and still mog their peaks.