I like the OP's idea. Removing the micro of building ammunition for the anti-nuke and replacing it with a per-shot energy cost for the umbrella...
Yes, this is a bug which is still outstanding (FS#2550 in the bug tracker).
I had the same issue in a 1v1v1 game yesterday. Nukes and torpedo launchers were effective in damaging the affected commander (who had spawned in...
Separate names with a comma.