Its been a focus of mine to try to make lemmy’s comment sorting the opposite of the reddit experience, where the highest rated comment is nearly always just the first one, making all engagement after those first few minutes pointless.
I think your strategy for going the opposite than reddit works quite well when it comes to comments. However, I don’t think it fits so well with posts (not sure if the strategy/sorting for posts and comments use the same methods). Personally I don’t feel great seeing posts older than 24 hours, especially as I have probably already seen that post. It’ll just stick around for way too long.