I think its ben designed to look familiar to the ARR Set. The issue is that the SHB set was similiar in this regard, so the difference is minute. That said i do get why some people like it, for me its not bad, but not impressive. But when i look at my personal taste with Summoner AF gear its as follows:

ARR: Like
HW: partially like
SB: Love
SHB: Dislike
EW: Its Ok, but id have prefered something somiliar to SB/ AF3

I hope that in 7.0 we get a completely new gear design for AF, or something similiar to HW and SB designs. Its a good opportuity to give a completely new design direction for job gear given its the start of a "new" saga.