If this is so beneficial to auto makers, it's curious why they've invested so much money in lobbying and advertising to try and defeat it. Perhaps it's more complicated than you're implying?
History has clearly taught us that socialism doesn’t work - why do we keep forgetting?
You really have no idea what you're talking about, do you?
Look up "State Capitalism".
The USA is a capitalist county. "Communism" and "Socialism" are not synonyms for "the government is doing things I disagree with."
The legislation in question clearly falls outside these two categories.
Being able to repair my stuff is obviously 1) protecting me from harm and 2) combating anti-competitive practices.