Why are some people opposed to obamacare?

Politics, economics: Some feel government has no role to play in telling people they must have health insurance and some fear that requiring employers of companies with 50 or more employees to provide health coverage may lead to making more employees part-time and requiring them to get their insurance in the exchanges. This is a theoretical argument but if young healthy people do not sign up then costs will increase.

Misinformation: There is wide support for the provisions of the affordable care act that ensure continued coverage of people with preexisting conditions and of dependents up to age 26, and support for making insurance affordable to people with lower incomes, and for requiring large employers to give insurance to employees. Sadly, the opposition to obamacare seems to be based on the name and not what it really is.

Not black ; white...: At risk of sounding cliche: "there are two sides to every coin." to quote time magazine, october 14, 2013 edition: "the affordable care act was supposed to bring health coverage to the uninsured [but] as the law takes effect, the reality looks far different than the promise." many opinions can be expressed from divergent perspectives to answer your question, but few are entirely right or wrong!