I expect US sales as being large enough to fill a 20" maritime container at least by now , per month
and air freight costs a Lot more.

and Majority of bike shop people dont have a need for folding bikes

they are more likely, young and Road or MTB entusiasts , so commuting on a train or bus daily,
is not on their Radar .

like their touring expertise is small since the touring season . in summer ,
is the one they have to be in the shop working, because that is when the Sales happen.