Mac only color correction plugins cut out a large portion of the potential audience. Most suites I've been in recently are either Linux or their IT departments tell me they're planning on moving to windows boxes (two of my regular post houses already have). These are large facilities and the resolve trend is definitely in that direction.
In the home market where this might be even more popular (most post facilities and freelance pro colorists already have "secret sauces" that we use regularly), the vast majority are on windows in my experience.
There's another popular Russian film emulation plugin similar to this that is also Mac only, but they have plans for win/linux in the next few months because they've found they are hitting a limit in their potential market.