It's certainly part of what makes him a neoliberal.

Let's have a look at his website, https://markcarney.ca/spend-less-invest-more

In recent years, the federal government has been spending too much.

A Mark Carney-led government’s fiscal policy will focus first on reining in wasteful and ineffective government spending, creating room for personal income tax cuts

Now is the time for a more efficient and effective government—one that delivers better results while spending responsibly. By streamlining operations and reducing waste

A Carney government will focus on maximising the outcomes achieved, while minimising the dollars spent. We will slow the growth of government spending, initially cap the size of the public service

a range of tax measures from Investment and Production Tax Credits to Accelerated Depreciation, that catalyse massive private investment in cutting-edge industries.

A Mark Carney-led government will balance the operating budget in three years

These all come straight out of a conservative campaign. The guy is neoliberal to the core. His great policy proposal is splitting the budget into two columns so he can (in my opinion) run austerity measures on social services while running a deficit to funnel public money into private hands via public private partnerships.