Being part of a generation that was told “Wikipedia is not a source” makes it genuinely baffling to me that jobs are now telling people to just use ChatGPT for everything.
AO3 is an archive, wattpad users. It's not a social media site and it doesn't have an ingrained algorithm. You will not get famous. Your fics will not be recommended automatically by the system. You post your fics for the love of the game, that's it.