How do Ты feel about individuals who basically don't know/have no idea WHO или WHAT you're talking about over just about anything (from Фильмы and Музыка to history, current events, and animals)?

i was like that before knowing Аниме xD
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btw
nice Список of yours i like most of what Ты mentioned

I don't mind, not everyone is gonna know everything/one.

Though I do Любовь your Список and think everyone should listen to Celine; she was my Избранное as a kid. But each generation has a different bunch of singers to know and love.

I'm likely one of those people. :| I actually haven't seen very many movies/shows, at least compared to most people my age.

They're just people who don't know about everything Ты know. These bands were Популярное back in the day, and not many kids (if any) even know who they are, and it's not they're fault. We all live in our own unique generation. Each generation grows up around things only they would know about. Unless there's shows like Power Rangers that has been around since the 90's.

It doesn't bother me because there are people that aren't knowledgable on those subjects

Dude some people just don't know sometimes. I mean Ты don't know stuff your parents knew and vice versa. It doesn't bother me that much tbh.

Not everyone going to know everything about things its not needed if Ты like something Ты like it. People also have different experiences and are from different generations.