Well for one they are required in many sports. If you’re not interested in the anatomical reasons why the cavesson is designed the way it is I am not going to convince you. My horse has not been abused or pushed in any way. In fact, he is old for his level in modern terms. But I was careful with the trainers I employed.
I must say the competition is abusive , cavessons are cruel, we must all ride bitless faction has been on the internet as long as I have been on it and I go back to the bitnet days. It’s so tiresome. There are abusive people in all disciplines. Some of the worse abuses you see are practiced by the natural horsemen people.