@cpm @pluralistic This summer I had to help my parents with their Specialized/Bosch e-bikes and these were a nightmare.
I had to waste 30 minutes to recover my mom's Specialized account (she isn't tech savy so the seller created it for her but she forgot tge email and password used for it) just to adjust a couple of settings on the battery power deployment curve. On top of that I found out that if you even want to sell or give away your Specialized ebike you can do it only trough an autorized reseller otherwise your identity will stay tied to the bike blocking out many features.
I fear for the day automotive manufacturers learn from this (spoiler: they're actually well into the process and they have full support from the EU since they're locking down their stuff "for our own good").