The generalization is odd, but they don't want to download another app either. I really hope federation and such is the future just for things like this alone.
There's no bitterness going on here, it's probably easy to generalize the people who use Facebook apps especially when they instantly come back saying X app sucks in a rude way.
Even better is that you wouldn't need an e-bike either, as frankly the high speed ones are incredibly dangerous especially when there's good infrastructure for bicycling.
Clearly enough people for this to be a point, a big majority of people in the US still do at least in the places I've stayed in.
There's nothing inherently wrong with SMS.