The best reason for attacking the Confederate flag is that the scrimmage furthers the notion that racism is a “Southern problem” instead of a northern problem, or a worldwide problem. In this way we can avoid the need to discuss demolishing the Lincoln Memorial.
If we were to view Iran as a racist country, we would be obliged to oppose them. And that is definitely something we are not going to do. So let's busy ourselves - and congratulate ourselves - for desecrating memorials to our dead.
There is an implicit argument behind both their attacks and your comment.
It is that racism is the worst of all possible sins and must always be tracked down, exposed and destroyed wherever it might be.
Really? Somebody with mild distaste for the company of people of different races is worse than a mass murderer or a child molester? Really?
South African apartheid was worse than the killing fields of Cambodia because the animosity was racial. Really? Even though the death toll from apartheid was probably in the low thousands vs. Cambodia’s millions?
Without it really be argued or openly agreed to that I can see, the idea that racism is the worst of all possible sins has been generally accepted as an axiom.