Then public transport should be way cheaper than driving, as on transit you have some downtime where you can scroll through your phone, listen to some music, or perhaps even crack open your laptop if you're on a proper train. Driving requires constant attention, so you can't relax or do anything else in the meantime.
If scrolling through your phone were worthwhile enough that being able to do it made up for the loss of time, people would deliberately take trains instead of cars just so they could take a little longer but be able to scroll through their phones.
Then public transport should be way cheaper than driving, as on transit you have some downtime where you can scroll through your phone, listen to some music, or perhaps even crack open your laptop if you're on a proper train. Driving requires constant attention, so you can't relax or do anything else in the meantime.