On the contrary, I actually like Ren. She's among my favorite chiefs, alongside Tenka, Fubuki, and Mira. However just because I like a character doesn't mean I'm not going to give a critique on them. And in Ren's case, the critique mostly lies in her celebrating her victory far too soon, when she hasn't even defeated the enemy. They escaped her and she was unable to prevent it. And sure we haven't seen her full capabilities or probably even a fraction of it, but neither did she (or us in fact) seen what the two Gods were truly capable of.
Lastly, it seems obvious that they had no full intention on completely engaging the Mato Corp. After all, they left no traps and/or ambushes waiting. Instead just two Gods were waiting. Now you might say it'd be arrogance, but keep in mind the Gods have already suffered setbacks, as well as defeats, and even lost a member of their own to the Mato Corp, so I doubt they'd be arrogant enough to think that just two of their members would be enough to handle all of the Mato Chiefs. Sure if they had an opportunity to kill a chief (especially Ren), they'd take it in a heartbeat, but that obviously wasn't their objective.
But those are things that Ren should be considering, but since she's not, it'll be a manner of time before it comes back to bite her.
