Government policies and business growth

Government policies in most countries are formulated to help the businesses and GDP of the country grow.
But sometimes, the government policies have the opposite effect , they act as deterrent to business growth.
Some of the reasons why the government policies are harmful are:
The policies are poorly researched.
The persons formulating the policies have little experience or knowledge.
Nepotism , cronyism
Incompetent decision makers
Lack of foresight.