tube station staff being heralded as great philosophers.

Go do won.

Yes we are back to business, You can't stop a lunatic who decides to drive his car into some people and carry a big knife anybody can do this at anytime. Nothing will be done live will go on as usual.

As for being 'together' how exactly? London and the whole country are divided on many things.
So london can carry on with people with their heads down engrossed in their phones, not talking to anyone and not daring to make eye contact. In that respect the back to business **** is correct.