@VisualStuart alternative front ends for YT also used to exist that made it so you (and anyone you shared content with) could view things from YT not actually on YT. One was Invidious, and it used to work well but I'm uncertain about if YT has killed those projects, as I haven't used it in maybe a year or so. Would be safer than ever using YT on any personal device, though, so might be worth looking into if anyone on this thread cares to
*edit: typo