You need to block these ... I have ublock origin running on firefox on mobile.
https://www.reddit.com/ www.reddit.com###app-upsell-blocking-bottom-sheet-direct www.reddit.com###app-upsell-blocking-bottom-sheet-seo www.reddit.com##body,html:style(overflow: auto !important)
I cant. Librewolf, adguard home and other stuff running. It asks me to log in every time. I dont know whats the issue and tbh i really dont care.
Freetube on linux solves that for me tho.