The bears explain the bank bailouts in the US but the same principles apply in the UK.

http://www.youtube.com/watch?v=yipV_pK6HXw&feature=relmfu

Parasitological post-script:

Over-parasitism of a host species results in the collapse of both the susceptible host and parasite populations. The technical term, in biological circles, is ‘killing the goose that laid the golden egg’. However, over-parasitism may also fuel selection for ‘geese’ that fight back. Bankers beware!