The argument that the government should not regulate business interests is an example of

conservative ideology.

liberal ideology.

moderate ideology.

social conservativism.

left-leaning socialism.

I believe it's the example of conservative ideology.

conservative ideology tend to believe the power of the free market. According to this ideology, the Government interventions only reated imbalance in the market competitions, which only drives profit to the people who are not supposed to win the competition.