As for whether to play with red-rush or not, that's not critical at all. On 131 and beyond, it doesn't even really work. It's not as much of an imba as hit-and-run, for example.
Added after 7 minutes
So-so, and what does the resurrect scroll in the Dragon Utopia have to do with this?)) In the Dragon Utopia, there are basically neutrals — you can use anything against them (except cheats:) ), as far as I know the rules, but you just can't do it against an opponent.