Oi so what if you have a kid and they identify as a different gender? Like they just feel fuck-off miserable inside their own body every day, and all they want is to transition so that they can be happy.

Is your plan to just mock them for being mentally ill? Are you gonna point and laugh, claim that something is wrong with them whenever they bring it up? Are you willing to deny your child acceptance simply because you're too much of a cunt to drop the scientist gimmick? "you are wrong because I took a biology class and they said..."

Your opinion on this subject isn't anything new. It's played out. It's closed-minded. I assume you're young, because these are beliefs akin to an edgy middle schooler, but with time you might form a better understanding of this. People go through things you don't understand. Stop pretending you have the answers.