I am in agreement with you , i am of the view that the the CZ 550 comments that some are problematic is more related to the larger 500 calibers with regards to feeding issues , this shouldn’t be confused with purchases of CZ 550’s like myself who prefer to do some cosmetic and functional work...
I have owned 2 :
Verney Carron .470
The Verney was a great double but i sold both of them and now don’t own a double. I also have no plans to repurchase another double at this point in time.