Matt,
"...in the longer term the likely benefit of certification to the individual" - I would be interested in what you see as "longer term".
I mutated in to BA formally in 1992 (was involved in spirit from around 1989) and though the point that "projects fail due to poor requirements" was being made then and has since been has been re-made, validated, substantiated, corroborated, demonstrated and (as far as I am concerned) proved there is still nothing I can see that is going to drive the need for certification from an employer perspective.
The bottom line is BAs seem to want certification and employers aren't that bothered.
So why do BAs want it and is it really any use? Is it - in fact - the best way to demonstrate BA capabilities? My exaple (in an earlier post in this thread) of a brain dead but certified candidate vs a non-brain dead but uncertified candidate makes the case for it not being the best way. So, if not, what is the best way and why (as a profession) don't we go in for that?
And why - as a profession - do we seem reluctant to find a better way of demonstrating our worth than an un-called for (by employers) certification?
Guy