I have 13xxx haste and 38% haste so 14k can't be 49%.
and still shado-pan wins, sometimes when LMG is not up u'll gain value from the haste, also when it is up it'll make all casts 1 sec with LMG.
but when UVLS is up...you do what? hope fulmination and EB is ready? or maybe a flame shock to make all ticks crit? just not fucking worth reacting to it's an insult to even acknowledge it has a proc it's only value it static int, and shado-pan has that as well.