Why so many sugar glider breeders?

I know i dont see the point in animal breeders sometines b/c there are alread millions of unwanted pets out there looking for a home who now have to compete with younger animals and for those breeders who dont give their fur babies to the right homes they end up in animal shelters and some evn end up being put down which horrifies me

Legitimate and licensed breeders discourage "back yard breeding". That's when any old Joe can take a boy and girl glider and make babies. Yes anyone can do that. Many times those gliders are inbred. By being legit and licensed, sometimes you can get the people who would buy from byb to buy from you instead. In the long run, hopefully diminishing the number of byb.
   
Hope I helped.