Because the stereotype is that China is the one that bans the products of the Free West.

And even more ironically, china is one of the biggest patent/copyright infringers in the world.

The fact that Chinese businesses aren't bound by the Western intellectual property regime is one of their greatest long-term competitive advantages.

It remains to be seen whether the Chinese government will revert to intellectual protectionism once they reach technological parity with the West though.

They don't have a great justice system to start with, so the situation for their citizens is not great