My point was that the ones writing the laws might not be all the educated on the subject of the law. Like if I, a non-doctor, was involved in a bill that that banned certain medical practices.
Like I said, our bills that ban certain medical practices are written by people who are mostly all non-doctors. It might be nice if they consulted with doctors but it isn't mandatory. They don't consult with murderers about banning murder procedures.
The same principle does not require that we consult murderers on how to punish them. We could instead consult psychologists or the police.
That's a distinction without a difference. We do "consult" the murderers indirectly via the psychologists and the police. Gun owners should be "consulted" the same way, via psychologists and the police.
Then consider "common sense measures" to be US "code words" for doing background checks on all gun sales, not giving guns to folks who have mental illnesses that dispose them towards violence or who have already committed acts of domestic abuse.
In Canada we don't consider depriving the mentally ill of their constitutional rights to be "common sense".
And in US code, "common sense measures" seems to mean arming the congregation as they come in the door.