If there is no reason for them to revoke the visa and terminate your SEVIS, you can challenge the decision in federal court. It will cost money...

It really does not matter how your structure it. The bottom line is you are on O-1 and your activities should be in line with the petition filed. ...

Yes, there will be a wait time, He can adjust status so long as he keeps maintaining status until PD is current for this category.

Much depends on how long you overstayed and whether authorized stay expired during this time? Also what status was previously maintained.

If they do not want you to travel, the other only option is they file for extension and pay the filing fees.

Depending on the severity of the medical condition and the nature of support required, an extension can be sought.

Not working and not getting paid by petitioner and remotely working for another company results in violation of status.

I would not recommend waiting for the rejection and RFE, if it can be filed upfront, it does not disrupt the processing of the application.

Depending on the disposition of the criminal proceeding, this could be a simple correction, application for reinstatement, departure or relief...

You can seek EAD if you have an I-140 approved based on hardship or Medical Deferred Action and apply for EAD once approved.