The whole reason for this change is to give us more flexibility.

Yea, 1.19 will also introduce set stats for each class, but that's only temporary. Eventually we will be able to reallocate our stats on our own again, but specific to each class. That's MUCH better than our current system where it can take days to fully re-spec from a DD build to a healer build.

The current problem becomes more and more apparent as you get closer to rank 50, which is why you might not see why it's a big deal. Rest assured, this change is for the better.