Depends on whether they were required to include it. In my opinion it’s not worth suing over except maybe small claims.

You could sue the company if the company negligently rented you a vehicle. However an attorney is not going to take something like this on...

Specific questions about your case need to be directed to your attorney. If you do not trust your attorney you can talk to new attorneys for a case...

Yes they can ask for that stuff . Read your policy or hire an attorney to do it if you don’t feel comfortable with that.

Yes. You are responsible for this charge.

This does not really appear to be a legal question. if you want to use the legal process to try to resolve this, talk with your family law attorney.

Probably you want to escalate this up the administration. Legally there is not much that can be done based on these bare facts.

Complain to the CA Bar and sue for the money.

If he committed malpractice (which we cannot opine on because we are not plastic surgeons) and the case is still within the statute of limitations,...

Yes, they can levy your bank account.