The fear is many people are unaware the drugs they are currently taking are not covered by their plan.
The real fear is people will have interruptions in their coverage, that people will not be able to access the medications they need.
The great concern is that people aren't going to be aware the drug they are taking is not covered, and they are going to end up getting told at the pharmacy.
You shouldn't rely on marketers to give you completely unbiased information about your choices. That's not to dissuade people from going to these things. But they need to supplement those sessions with information from a trusted source.