Ahh, gotcha.
Yeah, at some point in the 80's (I think), after Ace was out of the band, this sort of info trickled in. The same sort of thing with Peter who didn't play hardly a note on Dynasty and didn't play anything on Unmasked (most of the drumming on those two albums was done by Anton Fig).
As much as some people love to rip Gene and/or Paul, both of those guys bent over backwards to keep Peter and Ace in the band, even when neither one was showing up for work.