There are several ways to view this. Having this person aboard will be a burden on everyone else as people like this don’t tend to shup and calm down. So the airline is trying to make everyone else have a more pleasant trip. I’m for it.
One thing I learned from watching my Dad rage at every little thing, it hurts everyone around him. Studies show that the blood pressure and heart rate of someone raging actually goes down. While the similar stats on everyone witnessing it goes up.
Today, raging it significantly more dangerous than a few decades ago. There are more people balanced on a knife edge ready to respond with force.
To my mind it’s less about profiling and more about selective enforcement.
I haven’t flown for a couple of decades, but we do airport runs for family and friends.
From the horror stories I hear, the anal orifice issue appears fairly frequently.
And I have yet to hear of any of them being removed from the plane.
You became a strong good person - if your dad’s goal was to harm you, he lost.