(Un)Common Sense Gun Laws?

I have been out of the game here for a long time.  I realize I am terribly overdue for an update.  Recent events have propelled me back here and I would like to write about something I am taking issue with.  Last week, the US Senate voted against the Safe Communities, Safe Schools Act, AKA S 649.  Of course, during that week we also had a series of tragic events in Boston that dominated much of the news.  However, in the wake of Wesnesday's Senate vote I came across a lot of misinformed opinions regarding the bill, and I would like to comment on them.

Now, I personally was disappointed by the results of that vote.  However, I have seen, read and heard enough about the matter already that I don't feel compelled to discuss the details of it right now (however you can read the text of it here, which may help in completing my challenge below).  What I want to talk about is a culture in this country that seems to take a hard line on a broad subject and generously apply it across a board of issues and variables.  This makes its way into various subjects that I can discuss at another time: gun control, civil rights, abortion, etc. 

There is a culture of reaction in this country, and I often see people get very vocal about subjects which they know little about.  This bill was no exception.  After the Senate vote went down, I heard from many people who were thrilled at the "victory", and who knocked President Obama for calling the legislation "common sense."  These same people who called out the President and said the legislation was anything but common sense showed no knowledge of what the bill actually entailed.  I even had a person insert legislation into the bill that was not in the bill but is already current federal law.  In short, people have been knocking this legislation without even knowing what is in it.  That is an unfortunately common trend I have noticed with people these days.  I have read the bill myself, and can say that everything in it makes sense to me.  I have asked everyone who has expressed their negative opinion of the bill to explain ONE single thing that is not common sense about the bill, and as yet no one has been able to do it.  I am writing this blog to turn it over to all (three?) of you:  what is uncommon sense about S. 649?