so once no one actually drives and then in the winter the self-driving mode says "I can't do this" - what happens?

I think this is something worth paying attention to as more cars become capable of handling most driving tasks on their own. Driving is a skill that improves through experience, especially when people have to deal with difficult road conditions. If drivers become too dependent on technology, I wonder how well they will cope when the system suddenly becomes unavailable or encounters a situation it cannot handle.

I'm particularly curious about how Tesla's self-driving technology will perform during harsh Finnish winters. Snow, ice and poor visibility can make driving difficult even for experienced drivers. It will be interesting to see whether the technology can handle those conditions consistently or whether human drivers will still need to take over regularly.