Yes, I fear that we are indeed sometimes our own worst enemy. Whether the radical open carry advocate, the person who accidently discharges a firearm in a department store or the guy that leaves his gun in the grocery store restroom these things make us look irresponsible.
The average American supports the RKBA which is why we have seen a steady return of rights in most places. However, the pendulum of public opinion can very quickly swing the other way and self serving politicians will once again seek ways to deny our freedoms.
A major source of objection to a free economy is precisely that it ... gives people what they want instead of what a particular group thinks they ought to want. Underlying most arguments against the free market is a lack of belief in freedom itself.
- Milton Friedman