I feel that way about most deniers/conspiracy theorists/religious nuts etc but we're always going to have them.
I wouldn't be sad if these flat earthers went to find this supposed edge of the world and jumped off though. We have enough problems here on "God's dinner plate flying through space."
https://dev-iptv.web.app/US/
There's 2400 channels there, but it's kind of hit and miss... some aren't broadcasting or are geo-blocked etc but there's still a lot of ok ones to go through.