people who used steemit and its clones learned about that tho, nostr:npub1cxp3l03x20mkzezzr4takm8w8zuva7xwvacmcewp97z58hjt8xls3mexlq was one of my compatriats from there - he still uses the community-take-over after Justin Sun turned the steemit.com app into a koreabot fest - it also uses markdown, as well

but yeah, most average people, they have no idea about anything of how it's done