Another huge exemple : in most big cities in Europe you have special parking lots around big public transit hubs outside of the city where you can park for free as long as you continue your journey by public transit.
In a lot of cities, that’s either the fastest or the most comfortable way to go somewhere in the city when you come from the outside.
Not any single navigation app support this (tbf, the few European ones don’t support it either)
Yes. Unfortunately transit between public transit is always walking. No options to take a first part by bike or car, or folding bikes for intermediate hops.
I think you mean country/region capitals, or countries like Germany.
I can assert than this isn't a thing in most Portuguese big cities, although it would be great to have it.
There was a Not Just Bikes video about how Google Maps is optimised for driving where it pretty much actively hides the biggest walking routes and promotes roads for driving by making them bigger. Useful in the USA for sure but actively harmful in Europe, given that you're more likely to plan a route by which roads you can see, and unless you know what to look for you're not going to find them easily.