You could also say all the worst people in the world use web technologies and that any search of the web that doesn't explicitly filter out porn is entirely ful

You could also say all the worst people in the world use web technologies and that any search of the web that doesn't explicitly filter out porn is entirely full of porn including horrifying shit. It's not the job of html or mastodon to make it impossible to use them to distribute content. If anything the biggest problem described is with the Japanese allowing child porn to flourish in their border and their isn't a technical solution to their problems.