There’s a lot of programming you can do with zero or very basic math skills. But some stuff can require a lot. But I’m quite sure you could manage a career very nicely without ever touching those areas. People who do that are probably seeking those things out.
Seedbox VM running on my Synology permanently routed through VPN running radarr, sonarr, jackett, plex. I find stuff either by searching what’s new for the month or by occasional subscriptions of the streaming services.