Well, yeah, that's the big question. Assuming the 40 mp sensor will be in the successor, with an according jump in price...adding IBIS would precipitate another price increase, in addition to making the body much larger.
Now you're talking a fixed lens camera that is getting into the price range around $2K.
The positive that would come would be that maybe the TikTok craze that blew up the prices on the X100V will eventually subside (I think that's being seen already on the used market at places like MPB and KEH here stateside) and a successor would have a corresponding effect. I'm very much hoping that as rumored, Leica will soon announce the Q3, as I've always lusted after a Q2, just don't feel like having to sell a kidney to get one