What do you mean, Arthas', Yogg's and Deathwing's mount aren't luck based? They were 100% drop rate when it was hard, but nowadays they're 1% like the others.
I don't care about others seeing my mounts as long as I like them. I'd like opening my FoS tab, seeing the achievement for the Armored Razzashi Raptor and think "Aaah, yes, that took a lot of time to get!", and be proud of it once more. *Single tear drops while gazing the horizon*