Board Thread:The Quarters - Q & A/@comment-128.219.49.14-20140205144508/@comment-76.169.91.227-20140206190105

Pets and mounts are purely for aesthetics. I believe this was a conscious decision and not likley to ever change, because pets and mounts can be acquired with gems, which can be acquired with real money, and all stats-boosting features must be earned with completing tasks.