YES) It makes me feel more immersed in the game lore.

YES) It encourages more PvP! (Please explain how in comments)

YES) I miss riding my ground mounts.

MAYBE) If you make all of my flying mounts able to be ground too.

MAYBE) if ground mounts are sped up to 200% speed (or higher)

NO) I don't have enough time when I'm on to be riding everywhere

NO) I have spent too much time getting various levels of flying to be wasting it.

NO) It encourages more PVP! (please explain in the comments)

NO) I love flying.