It's a new way for middle age men to spend their money. If you're riding a £3000 bike then you need to dress accordingly, don't you? A big problem is that sport cyclists start using the bike for their commute and then treat the journey as a training session and the increasing use of Strava has people straining to beat the best times on various stretches of their journey.I've been using the "Cycle Super Highways" (a bad description) since their inception and a lot of cyclists are trying to cycle them at speeds more suited to the main carriageways.
I often have a chuckle at those cyclists who ignore the stop lines at red lights and sit in the middle of the junction waiting for a gap in the traffic. Usually the lights change without out them being able to see and they find themselves being passed by those who've waited patiently.