Lmao. The mining world hasn't even been reset in the past almost half year I've been on this server. The Nether hasn't been reset in living memory I don't think. The chances of the end ever getting reset are slim to none at this point.
If you are talking for The End - it will be better for all players. More end cities, monthly Dragon Eggs, etc. If you are talking for Res world - just don't build there.
My post is probably as close as you're going to get from staff though, as this is a suggestion that's been made many, many times. There's been talks about a Shulker shop but doubt we'll see anything along those lines anytime soon (even though it'd be easy to add them to /warp mall for a reasonable ~$20k/box), as well as adding Nether/End worlds to miningworld, but they say it'll cause too much strain on the server so they won't do it.
Yea they might say that(and very possible rn) but I do think that the server is getting enough from donations to possibly upgrade the server computer, as I heard a few months ago how they burned a CPU or something along those lines.