It seems to me that a few goons making vague threats would be enough to fix things nicely for them. They could also hire agents posing as customers to record performances.
“Intellectual property” is a shaky notion. I think it should only cover patents; patents are granted for more than just things.
How much does it cost to file a copyright? It costs thousands to get a patent. I doubt these copyright fees cover the public costs, in terms of court time etc., of the litigation certain to result from this.
I think the main problem is that the industry is dying . Desperate times call for desperate action. Just as many companies are looking for ways to cut costs, like employee travel, others are trying to exploit every dime out of existing income streams.
For example, airlines start charging for luggage, the record companies start cracking down where they used to “look the other way”.
In time, this will settle down.