Yeah, now that you mention it, I've never seen
anybody rant on HBT before.
I've seen whole threads about people whining because they want to brew and didn't order their ingredients in time to receive them before brew day, and it's someone else's fault.
It's not like double sparging hasn't been being done for a long while, and it's not like multiple sparges weren't intended in the software; it's more that the guy who wrote it didn't know how to let you select what you want, and didn't bother to tell you how you have to play games with it to get what you want.
This isn't an obscure step in a process, it is a very common part of many brewer's procedure.
As far as I can tell, update is due MAYBE in fall '09.
I'll suggest he try to find a way.