Why are British left-wingers so enthusiastic about proportional representation?

[Chancellor of the Duchy of Little Lever and Darcy Lever]

Given http://en.wikipedia.org/wiki/European_Parliament_election,_2009_%28United_Kingdom%29

I don't think only leftwingers are pro-prop.


Simply, FPTP is a prehistoric system, the most unfair, the less exciting (for hardcore election-night fans^^) and... and simply the worst system in the whole universe.

No. You would like to think so given how bad FPTP is, but worse systems are possible.
And exist. Including in Britain.

I present to you - multi-member fptp!

Consolidated results — Cardiff 2008
Party    Votes    Percent    Seats
Labour    26680    26.8%    13
Conservative    26395    26.5%    17
Liberal Democrat    24593    24.7%    35
Plaid Cymru - The Party of Wales    13297    13.4%    7
Independent    4992    5.0%    3
Green Party    2173    2.2%    0
Socialist Alternative    632    0.6%    0
UK Independence Party    398    0.4%    0
Communist Party of Britain    310    0.3%    0
Left List    91    0.1%    0

I've voted in a wrong-winner election myself, Bury 2004.
Conservative           26,315  37.0%  19 councillors
Labour                 24,884  35.0%  27 councillors
Liberal Democrat       15,457  21.7%   5 councillors
Independents            2,241   3.2%
British National Party  2,235   3.1%