2. I am against increasing the experience gained by computer players (I haven't heard any convincing arguments in favor of this yet). I played several games with 200% HL+U, and I didn't notice any particularly serious problems. The lack of experience will lead to the computer players becoming like plush toys, busy building economic structures; essentially, this is a UNION.
3. An alternative would be to create some specific map template where such changes would be implemented. In my opinion, mirrors are sufficient, but it is, of course, possible to try to create something in between a mirror and a normal random map.
Все в ней нулево и кукольно.