Read this C. Steven Tucker article about pre-existing conditions for three things. First, for people with pre-existing conditions, there was protection prior to Obamacare. In fact, as the article shows, insurance companies are trying to use Obamacare as a way of dumping people in contravention of Public Law 104-191 Section 2742.
Second, the author shows in great detail the harm that Obamacare has caused thus far and will cause over the next several years.
Finally, read Update #5. The IRS just happened to audit a stage 4 cancer victim who received media publicity. Then, they just happened to audit a person who received media publicity related to this case. The IRS during the Obama administration has a track record of attacking people on political grounds, making this Bayesian increase his priors on the likelihood of this being a political attack.
