Because some of us care when we are sold a bill of goods with lies.
I get it, you don't think the grandfather clause was adequately explained to you. That's a very good argument for learning how things work yourself instead of waiting for a politician to explain them to you. I've already said Obama botched it--and he's been publicly spanked for it quite a bit. As a policy matter, his subsequent attempt to extend grandfathered status to post ACA plans was foolish and damaging to markets in those states that took up the option.
Not adequately explained to me.
Did you see the Stewart Clip ?
When John Stewart goes after Obama, there is a problem.
PERIOD. That was explanation enough.
There was no explanation prior. Hence it was a lie. PERIOD.