I'm just going to say my personal opinions and beliefs on the matter
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-More betrayal in-game."
This isn't anything new, I've been betraying people in game since day 1, this will always happen, and it adds to the gameplay as you can't tell if you can trust that person or not. It all adds to the feel and effect.
"-More harassment."
Debatably, but you have to remember: there are more players since when this community was first getting started!
"-More comparison in wins."
Not entirely sure on what you mean here, so I'll just leave that be
"-Players being more competitive than usual..."
MCSG has always had a very competitive side to it, some people more competitive than others. When it was in the beta stages it was competitive, but I agree there may be a bit more to it now.
"Livestreams
I know that people USED to watch them for pure enjoyment, but nowadays, this is what goes on.
People watch the stream just to know where that person is to kill him and take the win. Uhh.... this isn't what happened back then..... "
That actually did happen back then believe it or not, even with the first of Chadthedj's streams he's commonly heard saying he's dead, even when he's not streaming.
"Youtubers Okay, this is worse than livestreams. Everytime I see someone say "I'm recording for youtube!" I see too many people say "Fist him youtubers just think they're better" Hm, last I thought, people like Blamph recorded to give tips and upload videos for pure enjoyment. NOT because he thinks he's better than everyone else."
That is very true, and it does annoy me a lot. People seem to dislike youtubers, perhaps because of jealousy, it's really hard to say. You're always going to get someone like that. Just do what Blamph does, don't tell them you're recording
All in all, just ignore trolls, haters, try hards, KOS'ers, jerks, and any other trash that may pass in your way.