I'm sceptical large numbers would but you may get some of the younger ones, say kids at an upper age of 12-13 when this all kicked off a few years ago, that may decide to start going to watch their local team.
Yeah Karma is a bitch BB, the we don't do walking away slogan has become quite the rod for their backs now. Watching this insidious institution crumble apart has been one of the most satisfying sights of my life.
I highly doubt any ex rangers fan would decide to start supporting Aberdeen given the animosity between the clubs Manc. It's the more regional teams like ICT, Kilmarnock, ST J that may pick up a few