If it’s “use my name a likeness, maybe my voice work,” I’m not mad, it’s people paying to do stuff the devs would need to pay someone else to do instead. If it’s “I have some ideas how this story should go” I’d be a bit more concerned.
The content creators should work together to make a single bland “it’s fun 😶” video that all of them post. It would technically comply with the restriction.
The vast majority of house flippers are not doing any kind of real renovation on properties. They are painting, putting on new fixtures, and putting in carpet, and then selling the property for 50% more than their purchase price.