It's how most Mage players think, and judging by the recent statistics on this issue, it's also the majority of the playerbase.
I don't want to be forced into an archetype just to win. It's a casual game,
If you want a casual game, use the casual game mode. If you want to win in ranked mode, you have to follow the meta and play to its strengths, whether you happen to like the required playstyle or deck etc or not. That's the standard for every competitive game everywhere. Adapt or lose. The choice is yours. You can't expect to play Johnny Homebrew and win every game because you had a fun, greedy deck that didn't take into consideration the rest of the current metagame.
It's harsh - and I can't say I enjoy playing against mage right now either; I've always considered Mage to be a joke class, and now more than ever - but the fact is that if you want to win right now then you either join the meta or make a meta-breaker. It's been that way forever, right back to my good old Magic the Gathering days 30-odd years ago.