Point well taken. Our company has offices in London, was putting up employees in hotels who were stranded away from home due to no transit.
A bicycle commuter (folder or not) would not be so constrained.
I have a very cheap Chinese made single-speed folder than I won as a door prize... makes me think I should keep it in my office should I ever become transit dependent. It would be an awful 30 mile trip on that bike, but it would get me home, eventually, like in 3+ hours.
But I'm not... I'm on vanpool with 8 other employees, and the van drives no matter what!