Often hearing about Cheetah (the current Barbara Minerva version) being too weak, I felt that I need to raise the opinion of her.
So, thinking about the DC's Trinity of Evil (opposite of: Bats, Supes and Wondy), who would be Wonder Woman's Lex Luthor/Joker? I hear lots of people saying it's either Ares or Cheetah, but they soon exclude Cheetah, as she is portrayed as too weak and no match for Wonder Woman. And of course Batman one-hitting her into knockout and Catwoman's victory on Hellplanet, doesn't show Cheetah in a good light.
Now lets look the facts of how strong and fast Cheetah is, and if she deserves to be Wonder Woman's "Lex Luthor" :
is supposed to be on the same level as Wonder Woman, this was established in Minerva's first appearance in Wonder Woman #9. She can break trees with her tail... Superman compares Cheetah's strength with Captain Marvel (Shazam) and Wonder Woman.
should be also on the level with Wonder Woman, how else she could take down Flash. Even Wonder Woman agrees by saying she is a challenge to her, even if she is in full health.
Currently we can only say that she is treated weak, only because heroes need to win in the end, and she is merely a villain in their way.