Dude is seriously underrated. It takes a hell of a lot more effort and talent to make his music than half the stuff covered on this site. It may be trendy, but it's also a great listen when you're in the mood.
You would be surprised at how many bands write songs while on the road.
I wouldn't be actually, that's common knowledge. He can actually produce a major portion of his music while on the go. He doesn't need a big room and days of recording multiple instruments with several people to account for. That's what I'm saying.