I was not going to take the blame for anything going wrong.
Actually, you would have. The fact that you where on board would lay some blame squarely on your shoulders. I doubt you have the authority to “transfer controls” in such a way.
I don’t get involved in maintenance. I sign the tech log, and then I get off. Unless the engineer gives me an aircraft that is released for flight, I turn around and get right off.
As as you say, in today’s world of accountant and lawyer driven management, I have zero interest in putting my lisense on the line for those looking for scapegoats when it all goes pear shaped.
If maintenance needs a plane repo’ed, I can help. But all maintenance will take place after I sign the tech log and get off the aircraft.