If that picture represents the rush hour then thats a luxury.
People have their minds on getting to work usually and thats quite natural. Perhaps buskers on that train is a regular thing.
Some Citizens are very wary of buskers maybe those with Kids
If the American Citizens knew who this guy was, then yes it would have been interesting if they would have reacted differently even though they have to get to work to earn some bucks.
There used to be some buskers
who used to invade the London Underground tube system. They were very aggressive passing the hat around whilst singing and playing the guitar.
Fortunately they used to walk past me. The Transport Police managed to stop it in the end.
Appreciate the violinst was passive.Wonder what he really thought.