A few comments:
The fail rate in the restaurant bar industry is very high. 50% plus maybe? Some of the things you see on that show are why: Theft, bad management, uncaring sloppy employees, drunk employees, drunk owners, lack of real capital when opening, increasing food, liquor and operating costs + taxes. Covid made all of it worse.
Yes, these shows are scripted...otherwise it would be impossible to make a decent narrative or for it to fit into a reasonable time frame.
There are things service industry people and owners can learn from this particular show, Bar Rescue if they pay attention when they watch it. If the struggling owners featured are willing to take the help it can be a net positive...but it is up to them afterwards.
These shows are entertainment and can be a fun watch.