Your opinion really. The way a controller feels in someone hands will depend on many factors such as one hand's physiognomy for example. Then, yes the way we each like the feel, heft and clickity of the buttons will also depend on one's taste in the matter.
After all's said though, I do not like the Xbox controllers post-360 era. The triggers became worst , with only slightly better shoulder buttons to compensate. They personally don't sit well in my hands either, much too bulky in fact. Most likely because my fingers are on the thinner side.
Anywoo, aside from the less than ideal d-pad, the Switch Pro Controller is just the better average package of the lot(with a fantastic battery life to boot)
I'm excluding the Elite controllers from this debate though, I haven't touched those.
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