A version of this seat is used by a number of airlines over the Atlantic on some of their planes, including DL, LX, AB, OS/VO, SN, and AY, so it's competitive for the market.
100%.
And, only the 767 version of this seat provides 100% aisle access-- which reasonable, intelligent, non-agenda'd people realize is a pretty great feature.
And, as we've discussed, only a single other all-aisle access J-seat available in the market that will for 767-- and that one has it's own faults. There's a reason tho seat is used by so many.