Even though ASIC's are eating up the Skein (and other algo) market not everyone can afford an ASIC which still make GPU mining a viable option.
can you afford 5x gtx1080ti? If you can that means you can afford one X10 Giant thang. Nevermind the power cost of 5 cards

g-d strafe hashfaster pool for disco nnects
Even if you can afford X10 you wont get it too soon, so it doesn't matter - only ppl with it on board already will benefit. Choosing old asic friendly algo is like saying f u everybody, hello choosen few