Yep the tenants from hell
Firstly who vetted these tenants. As a landlord who self manages, I personally interview the last few landlords. If the feedback I get is not solid then the prospective tenant does not get in. The old saying a leopard cant change its spots applies. People’s behaviour is constant no matter how hard they try to hide their real self.
In your situation ,this is what I would do TODAY.
Ignore all and any complaints these people make. You will never satisfy them no matter what you do.
Since the lease probably runs out in a few months, just give them notice that the lease will not continue. If they currently have jobs, they are not covered by the government anti throw out laws.
If they ask a reason why you will not renew, tell them you are moving in yourself. No further discussion required or necessary.
In any case do not fight fire with fire. They have done this a few times before and have the system gamed.