That he was the one that shut the blast doors that locked Ronnie inside the particle accelerator.
I think you misunderstood The Kid's post. He thinks Eric Thawne (Joe's partner) is Wells' ancestor
Not only that, there's waste and hygiene needs of the prisoners that need to be addressed. I have this funny image in my head of Wells making Cisco clean out the prison cells each week.
I'm surprised Joe would be on board with this. Sure there's no other place to hold these guys, but he needs to tell the powers that be about the existence of metahumans. The police need to know and possibly train on how to deal with metahuman threats. The city would also need to develop their own holding facilities.
You know one of things I appreciate about this show is despite its comic book origins, there's not a lot of cheese. It actually handles drama well yet fully embraces that this is a superhero show.