I wonder what portion of pros have moved to mirrorless since it's been intoduced? It doesn't change much for image quality, and it forces you to change your len

I wonder what portion of pros have moved to mirrorless since it's been intoduced? It doesn't change much for image quality, and it forces you to change your lens range or run adapters, it's quite annoying but I'm pretty sure a lot of people have jumped anyway. I'm biased, I'm still on a 5d mark i !