Anything they try now is far too late.
Currently the cable and satellite providers force feed their customers, not only fixed content, but at viewing times you may not be able to or want to watch at.
But some of them will shift their business models to an a la carte format and survive.
Some companies will stay ahead of the technology curve and make it okay, while others may make the decision too late and have to close their doors. And new companies will replace them with better content and bells and whistles all the time.
Some of them will purchase or partner with the streaming services or start their own.
It's like the newspaper business. It's dying fast. But the internet versions will take their place. I haven't had a real newspaper in my hands to read for 15 years. But I still read parts of newspapers online almost daily.
Business in a capitalistic system is not static. It is dynamic.