I agree with you and disagree with the author. I believe that gun owners are one of the few traditional American groups who are willing to be vocal and motivated enough to make this cost Starbucks.
There are far more dedicated second amendment supporters than there are dedicated second amendment opponents.
All the evidence that I can find shows the numbers are pro-second amendment to anti-second amendment are about 5-1.
The only reason there is any controversy is because the “progressives” took over the media for nearly 50 years.
We need to take it back with the new media.