Its got to be cheaper than owning/sharing a plane in the uk with little prospect of flying.
Crikey - you make it sound like its virtually unflyable here all year round
I've got in 60-odd VFR hours in the UK this year so far, admittedly down a bit on the last couple of years, but there are reasons other than weather to account for that (a particularly busy year at work for instance).
Yes, the weather this August has been dominated by a procession of lows, but if the Azores high pressure had been over us for the month we'd all have been complaining about poor visibility through haze.
All part of the joys and challenges of flying in the UK climate in my view.