Not everything is "just your opinion, man". Every side of an argument can be argued for, so every position ever is equally valid? It's not because a side of an

Not everything is "just your opinion, man". Every side of an argument can be argued for, so every position ever is equally valid? It's not because a side of an argument is gaining traction in certain communities, for its own merit as far as I know (I believe in objective truth btw), that this is sufficient for calling that (pejoratively, as your comment feels to me) a "meme".