The only problem I see with the Swifts or Celestron style binos is that nobody in the hunting crowd is familiar with them sort of like how Leupold was an unfamiliar term in birding circles ten years ago. Good optics on all counts but people like to buy from companies they know.
A $300.00 porro is equivalent to a $500.00 roof bino..
I have seen some folks argue thata $300 porro is equivalent to a $1000 roof when it comes to image quality.