There hasn't been a conversation had since the 80's where live releases and Plants feeling towards them haven't been discussed. How he felt about them at one point in time is pretty much out there and not really a secret or an inside thing anymore.
However, I don't think he has much issue with these now (he said yes already didn't he?) other then he probably doesn't care about them much and would rather prioritise projects he does care about over those that he doesn't. So although, IMO, a flat out "no" isn't happening, he's also not clearing his schedule to deal with it, if he has to, either.