In this day and age of the mob, do you really think a guy would get in trouble if he was to start his own crew in mob territory without their permission?

For example lets say the guy decides to buy some used slot machines that print tickets and wants to run his own operation through word of mouth. Would the mob come after him over it? Back in the 70's and 80's if you did this you would have been visited by some people that would put a stop to it and extort your operation. Today would that even happen? Would they even bother taking a risk of going to jail over a small operation in some guys basement in his house or a secret room at his bar that he owns? Which involves close friends and people that find out about it through word of mouth?

For the guys that are connected on here what is your experience with this situation? What would you do to the guy? IS he left alone or do you send a message to him that his bullshit needs to end quickly?