What happened when the NBA got caught with their thumbs on the scale? Oh lots of harumphing, lots of people burning jerseys, and then a new season started.
People will still watch, people will still cheer, buy tickets and most importantly lay the cash down with the bookies.
Boxing was the sport that the fix was in deeper than the Marianas trench, and yet the sport exists, there are still multi-million dollar paydays and a huge following world wide.
We love bread and circuses and have since the first Sumerians started having archery contests. A little fooling around isn't going to change anything.