Level 1 and 2 are not OP. Stop complaining as if it is the end of the world when your base gets crushed, cause you can do the same to others as well.
Besides, it's not Sabotage, or Protect that they boosted, it's Assault Rally, which is only accessible from Global Age war academy.
I can really understand what's the game designer's idea when he created and then retouched it.
You should be glad, they crush our bases legally as the game provides the weapons, not by cheating.