The Discovery Feed will show random stuff regardless. I would suggest muting or blocking random accounts that you wish to no longer see. Or mute keywords/tags

So coming in without having used Twitter in a long time. IlAnd the default lists are pretty much “Yo I heard you liked stars, so we put stars in your stars in your stars. “ so I’m trying to build a list of followed accounts organically. And it’s a bit much with all the porn.