Experience Capped Battlegrounds

This may be to specific to me as a question or statement.
Im experience capping my Hunter at level 30 and just going through each zones quests. It’s fun and relaxed but, also doing this makes it where im not aloud into the same battlegrounds as everyone else. I have to be in a battleground with other capped XP players. Granted when this was first added in it had a real purpose. (personally thought it was dumb when it came out) but, now with the level syncing and descaling of leveling along with the level squish and the levels in battlegrounds all scaling to max on the bracket.
How is this system of holding XP capped players back still a thing? Just doesn’t seem like it’s really needed any longer.