Paying cash on the bus substantially slows down the bus. It makes sense to get rid of that transaction.
It's[+] my city and it can damn-well run the way I want it to. And that doesn't include 100% surveillance.
[+] Was, sadly. I like London. But it's shit.
Edit: Formatting.
Further edit: In fact I've lived in London most of my life and experience suggests a scenario which is distressingly common: Are you one of those cunts who tuts and sighs[ø] when a little old lady gets on the bus and takes (horror of horrors!) more than 10 seconds to pay her fare and find a seat? FUCK YOU. You don't deserve the air you breathe.
[ø] For those who live outside the M25, this is the London equivalent of a near-violent argument between strangers.