Yes, it's totally unrealistic that you consider alternatives. Obviously the Commuter Rail and the 170 bus routes that the MBTA operates throughout the State are unrealistic. It's not like tens of thousands of people within Cambridge do not own a car or do not regularly have access to a car (this site suggests 15,000 households are car free, and another 29,000 only own a single car). I'm sure ebikes and walking and transit are too difficult for people to figure out too. Cars are notably easy to get - you only need to throw $30,000 into the car, spend hours buying it, getting a license, getting registration, insurance, taxes paid, etc. A bike obviously is unrealistic since it's like $3/ride on Blue Bikes or a few hundred for a cheapo beater bike. And ebikes, oh my, so expensive when you can pick on up for like $1500. That's obviously unrealistic, I should go spend $10,000 on a used car with 100k miles instead.

^(/s)