Theory: FA-less Fighter/Page

As a crusader, FA is important to gathering orbs quicker. Faster collection of orbs is better for the final blast of coma. When Slash Blast is only 780% to the entire mob and Coma is much stronger, the point is to get to coma as quickly as possible. Your argument might work better for WKs, though.

Oh yeah, orbs.

I tend to think from a WK's point of view, so I forgot all about charging orbs while writing this. Yeah, that's definitely a legitimate reason to max it.

@ Judgment - true as well.