Earlier quoted context omitted.
Any idea why they haven't / are there plans to add cycle routes in the future? It seems like a glaring hole in functionality (more than "street view")
I suspect it may be california-centrism. Bikes are a vital mode in Europe and many other parts of the road. In california car is king, bikes are either recreational or for hardcore commutes. You can see similar assumptions in how Siri is designed. (“Users only speak one language at a time”) or the effectiveness of multilanguage support in autocorrect. Most people outside north america use their own language + english…
Bicycle directions are more challenging than directions for cars, public transit, and walking. I’m just speaking from my own personal experience, here. In every city I’ve lived in, I’ve had to test out different bicycle commuting routes until I found one which I liked. Walking and driving I will just take the fastest route and be done with it. Everyone has different preferences for bicycling for how much elevation climb they can handle, how much traffic they tolerate, etc.