For, while it is correct to call Labour out for its half-baked message, the crux of Labour's inertia is not so much due to Ed Miliband selling out, but rather down to the left no longer knowing what it stands for – a consequence of failing to get to grips with a 30-year crisis of socialism and social democracy.
But the next five years, with a European referendum looming, problems in Scotland just begun, unfunded pledges to finance and major cuts to make, will present major obstacles to Cameron's hope that this 2015 election can prove a watershed in UK politics, keeping Labour out for a generation.
Twelve months ago the country turfed Labour out of office for a tangled mix of reasons.
At the subsequent general election, the untried Margaret Thatcher, proposing real change, swept Labour out of power for 18 years.
Of course, there is no reason to expect people to vote Labour out of gratitude for last year's financial rescue.
In Britain, with Labour out of power for 18 years a large proportion of both its members and supporters wanted it to stop dreaming, wake up and get back into government.
Those fratricidal frenzies helped to put Labour out of power for long stretches, but the one redeeming feature of the divides of the past is that the battle lines were vividly drawn.
As the Tories' house journal, the Daily Telegraph, put it in the immediate aftermath of the general election: "Redrawing constituency boundaries to lock Labour out of power for a decades [sic] is at the top of the agenda for the new Conservative government, senior Tories have said".
Others, such as former cabinet minister David Blunkett, have suggested that a Conservative win at the next election could keep Labour out of power for a generation, ending the chances of all of those who grew up in the Blair-Brown years ever returning to power.
His activities certainly stimulated the 1981 defection of 12 MPs to create the SDP, an event which helped keep Labour out of power for the next three elections, and also prompted the loss of his own Bristol South East seat in 1983.
For if Labour holds out for something pure and untainted by reality, if we pretend that there are black-and-white answers to complicated situations, then, as we are finding out now, the left is ruined.
