Solmyr, Demeer, and Aislin are cheaters (and/or) kamikazes; do the rest have a right to exist?

This issue has been discussed many times – it’s unclear how the game’s difficulty progresses so quickly. We play on the 2cm template… they often appear on the 2nd week… and imagine, you have only a few troops, and you run into a suicide attacker… and then, a powerful enemy.