Agree with the above, Austerity was an ideological choice that Cameron and Osborne made, they got lucky in a way with the Financial Crisis in 2008 and successfully planted the seed that it was all Gordon Brown's fault and Austerity was the only choice.
They should have been a one term government but the electorate blamed the Lib Dems and Ed Miliband didn't defend Labour's record in government.
Austerity would always have happened under the Tories and pretty much always does.
The poor get poorer, and the rich get richer, this time though they've managed to make the people in the middle poorer too after a succession of Budget fuck ups