More like 4-5 hrs vs 20 when you account for the fact that you have to be at the airport early to deal with security and boarding among other airport slowdowns.
If I could work on my laptop, yeah. There's a list of reasons why I don't like flying, but I have to do it a few times a year.
And I work from home. I need a dependable Internet connection for my work, but otherwise I don't need much. If I could sit on a train instead of sit in my house, that would be nice.
Watching the countryside roll by is a nice office window :)