Since an attack build's plunder drops each hit, they would make more from doing two hit regen. If you have a significant amount of attack buildings and your plunder drops quite a bit, yes. Hansels don't really need to because their plunder doesn't drop all that much.
You need 3 accounts for this to work, you need to have account a and b and account c to hold all the gold so the account a and b can get them? But it's hard to do