Earlier quoted context omitted.
You don’t just knock on people’s door and start putting their things out. There is a legal process and you have to get approval from the court. I’m assuming they are doing it legally.
I'm not sure why you'd assume they're operating legally. Violating the law was the USP for Uber, Airbnb and various other valley startups. It's a proven model.
It’s really not even worth the civil penalties. The tenants can stay on your property longer and even when you do evict them, lawyers love suing landlords on a contingency basis.