There's plenty of competition in the US auto market, both from US, Japanese and European brands.
The difference is these cars are either made in the US or in countries with similar enough wages. Even cars made in mexico are required to have a $16 minimum wage as part of USMCA.
China is on a different level and allowing them to sell cars here without restrictions would cause a race to the bottom for wages in the auto sector, pushing back a lot of wins the UAW has gotten recently.
If they want to sell cars here they should get the same deal as mexico, require a minimum wage and labor standards.