He shouldn't be in the band period. You look at other top global acts and consider how many have musicians that would f*ck up as many songs as Bobby does and you'd struggle to come up with any I'd imagine.
The problem is, Jon likes to surround himself with 'yes' men. That's why he has the likes of his incompetent brother running unofficial and disastrous PR. Until he starts getting his house in order and stops putting people in roles where they're out of their depth, they'll continue to be a bit of a laughing stock in the music world.
Nobody used to come close to them live and everybody on this board was fairly unanimous that the live shows always eclipsed and somewhat made up for lacklustre studio albums but even they are gradually starting to unravel now.
