I have not read everything what was posted by everyone but my take on it is at least they are finally trying something different.
Had they added blu to the list of jobs, people would probably complain about the meta, it being too OP or bleh bleh and it would all be the same.

Keeping it as a seperate identity i think may work out for the best.
Should they add Dancer (finally) and go this route however, i will be upset.
We need not a limited job expansion nor a dps only expansion again