It has always been like this. I think this must be how they want it to work. You can see from Destiny Tracker data that it would be really easy to have balanced matches. I kind of suspect they don't want balanced matches, but rather want a certain minimum win % for everyone to keep them engaged.
In D1 didn’t Bungie set it so basically everyone would have a 50/50 win loss? If so did they ever abandon the practice?