I hate the stigma against playing meta champions.
I see it all the time. I see people say, "You wouldn't make it to X rank if you didn't abuse Fiora." or Draven or Ivern or whatever. It's like people think you're less of a player because you played a specific champion.
Here's why that's a really bad mindset to have. 1 - League rank is determined by a combination of every skill you have. Your roaming, your lane dominance, your strategy, etc. You wouldn't flame someone like, "Wow you only won because I have my T2 runes and you have T3s you scrub." That's basic preparedness. Same thing with learning to play good champions. That's an extension of strategy. Beating your head against a wall playing a bad/mediocre champion and then blaming someone else for playing someone good is as silly as, again, blaming your disadvantage in runes.
2 - Learning new champions encourages flexibility. Yeah, they're sometimes braindead champions. Sometimes they cause you to tear your hair out, but the greatest trait you can have in League is flexibility. Being able to cover for your team and shore up their weaknesses is crucial and it helps curb toxicity. If there's anyone I can't stand in League it's OTPs because they strain you to build the game around them more than anyone else. ESPECIALLY if they don't get their main role/champion.
3 - Champions become strong at the most random times. I love playing Viktor. I don't because he's ba right now and I enjoy winning games, but I've been playing him since Season 4, before he even got his rework. I wasn't suddenly some no-skill prick because the champion I like got strong, but that's what every anti-meta enthusiast would have you believe. Let's look at a more recent example. Is Tyler1 an ass because Draven is one of the strongest champions in the game? No. Everyone knows Tyler1 is an ass because he's an ass. Blaming his behavior or skill on a champion does little to address any real issues, the most serious of which is inflexibility. Ability to only play 1 champion is more of an issue than whether or not the champion is good.
So to recap, if you can only play something ungodly strong like Nunu and you're way too high in elo to play anything else without costing us the game, then we might have a bit of a problem.
However, if you're a jungle main and you play Warwick, Nunu, and Zac, I don't hate you man. That's a silly sentiment to have against a person. Especially over something as trivial as a game of League.