Business travel will always be necessary, even if technology makes it less important. What would be a good outcome would be to take more people and more freight off the roads and the HS2 supporters claim that is a key outcome. I was very sceptical about it until I had a very lengthy conversation, over a very long lunch , with an old friend of mine who knows this stuff like the back of his hand. He convinced me that HS2 is an essential infrastructure upgrade. That's the benefit of listening to experts....