[s1artibartfast]

It's actually the opposite. In many cases corporate welfare is simply relaxing government taxes.

Governments understand that their taxes are barriers to the jobs and goods they want so they are willing to selectively get out of the way.

It's not a free market, but libertarian treatment for specific companies that they want to succeed.

In this case, nobody wants to build batteries in Canada if the government takes 25% of any profits, so the government has to reduce their take if they want battery factories