Amount of Surface / Surface books I've seen in use recently - loads
Amount of ipad Pro's I've seen in use ever? - none.
Interesting. Where do you live? I've seen some Surface systems. Not many, but some. I've also seen some iPad Pros. Again, not many... but at least twice as many as I've seen Surface systems. The vast majority of tablets in active use around here are various non-Pro iPads and assorted Samsung tablets. Those two categories account for more than 90% of the tablets in use around here. YMMV.