This guy in Reddit claims the frame rate it's not so bad, that it only becomes intolerable during certain weather conditions and when in crowded areas.
https://www.reddit.com/r/zelda/comments/5wh07r/botw_ama_wiiu/
My bet with The_Liquid_Laser: I think the Switch won't surpass the PS2 as the best selling system of all time. If it does, I'll play a game of a list that The_Liquid_Laser will provide, I will have to play it for 50 hours or complete it, whatever comes first.