I am a bit miffed about your description. We have seen so many movies and tv shows in which the moving force behind the motivations is the desire of being more, of being special, of helping (sure, misguided as well) by male characters and I have yet to see any of them being called entitled brats (or maybe I missed all of those examples, which is a possibility too).
Trish... I wouldn't call a brat by a longshot. Quite literally pimped by her mother, being sexually assaulted when she was 15 (unclear if that has happened before and after that), substance abuse issues, she is surprisingly functional.
I completely understand why living in the "perfect" version of the life laid in front of you can slowly drive you nuts and sure, she broke her seemingly perfect life but it was a matter of time, because she didn't want it. It is wise? Maybe not. Is it something that many people experience? Yes.
If I have to be honest, I don't understand how when wanting to be a superhero out of your own volition it is seen as problematic, because the person is not perfect. Is it better that Jessica was forced against her will, then being raped, enslaved, her mind fucked, her becoming an alcoholic and having behavioral issues? Trish has the option to choose and she wants to be a hero and have powers (relatively more than most heroes in Marvel's universe). Is it for the perfect reasons? I don't think so, but nobody is perfect and no hero is a perfect human being and I love how characters like Jessica show that and at the same time, I don't get it why people are being judged when they are less than perfect if they want to be super.
I truly believe Trish is quite misguided, needs therapy and does not have a full grasp of the issues of having super powers and responsibilities but considering how much "do something" matters to her and how much she lives in reality in which physical strength matters, I completely understand why she wants powers. I don't agree with her on that front but I understand it.
Something that... I needed more nuance is about motherhood. It was repeated ad naseum how once a mother, always a mother and... I don't agree with that. I don't agree that you are in the right and should be in your child's life because you are a parent. US has a great fascination with (biological) family and the idea that if you just try hard enough, the family can be functional. Families like that of Trish are a great example how a person can be toxic and it is for the best for the child to stay as far as possible from the influence of the relative, biological or not, yet in the whole season... there was no such nuance, always reverting to "always her mother". It is quite unhealthy and it makes it very hard for people to break up with abusive relatives because that idea is so popular and so often accepted as gospel.