So what if most climbers balls and/or ability are towards the lower end of the scale, if the routes are in the grades these climbers will be playing on towards their limit of balls or ability why should it be dangerous and run out. If all of the lower grade climbs are put up by stronger climbers with the attitude of “well I can climb super hard stuff so I don’t need to bolt this too well” how are the bumbleez supposed to have a go? I am sure a few of these guys contribute to the bolting funds too, and like you said “most climbers” so there are obviously a few of them, so why not look after the masses? Most people doing the bolting are climbing a lot harder stuff, so why not just bolt your projects at your limit to suit you and the easier stuff for the general climbing public?
Also carrots differ from pitons generally as the piton has a lot more surface area to bite into the rock, the carrot has a taper which limits its contact. however both have probably seen their day and it is time to move on.
probably less on the moral stuff and just concentrate on look after the crag area too.