They only care about monetization. If they can achieve that easier with a new UI you know they’re going to do that. Old.reddit.com and the current www.reddit.com are both expendable if they can make more money without them. This is the new, publicly-traded corporation Reddit. Tradition be damned, they will make their money in whatever manner pays best.

Isn’t the Genie usually depicted as malicious, or at least mischievous? I would expect the Genie to grant the wish, knowing what a shitshow it would be.

Power Delete Suite has the option to save a local backup before nuking your posts/comments from orbit.