A frame is a frame is a frame and that ridiculous hole is an inefficient design feature designed to make the bike stand out. My silly RP dig aside, I’m sure it rides very nicely but as carbon fibre is infinitely tunable those characteristics could be done much more effectively.
Just because BMC know how to build a carbon bike well, doesn’t mean the design engineers and factory guys aren’t at the whim of some graphics/PR bod insisting on a feature.
I know the bike designer for a popular brand/shop who would prefer that the frames were made in Taiwan but they are made in Italy to appeal to the egos of the middle aged sportive riders who buy most of them. Overpriced frames can be made anywhere, and like most of my waffle, none it stops those bikes being seriously ugly!