Sure, 200 or 300, why not? I've been to events of this size and left them in taxis or rideshare. Automatic demand allocation + wage surging systems at companies like Uber funnel drivers to the events and people leave. Presumably that allocation only gets smarter when the cars all drive themselves. Trains would still have the last mile problem here, the main difference would be spacing out the congestion potentially to different remote hubs.

This misses a couple things:

- As an individual going between destinations, my mind is on my travel and not focused on the externalities of how optimal or efficient the transport is for other people. The fact that a train can fit more people is a downside, because being packed in with the public while trying to travel is not actually desirable. This is why even trains charge for expensive private rooms.

- Whether a private company or Google provides it is immaterial to this as well: I'm not chasing after Google trying to pay them, it is just literally more desirable to travel alone and privately whoever is providing it. I have no problem if the government wants to build its own robotaxi fleet, maybe it'd be better, maybe worse, let God sort them out. I'd use the one that has better service and fits my budget.

Seemingly very rare that anyone argues for public transit expansion based on any of the following:

- They like being in a box with strangers for a long duration, where bad behavior of just one individual becomes stressful and inescapable. You can increase funding for social services to reduce the number of homeless people responsible for this disruption, but you can't stop strangers from farting.

- They prefer the lesser convenience of having to plan 3+ legs of a trip instead of 1, e.g. having to walk to/from a transit station at both ends of the track.

Trains do some things better that matter to me as a rider: they are faster. They have food service and bathrooms. But "look how packed in we could be" is not an argument that's going to convince anyone who has a choice.