[mjp]

this same old, worn-out, tired ‘you’re on your own’ economics

In other words, the kind not based on Marx and Keynes.

[griswold3]

‘you’re on your own’ economics is directed at Libertarians. The ‘Progressives’ think they have the Conservatives (TeaParty) on the run and now they have to attack the Libertarians as a religion of zealots.
Go Galt!