My dude.
Literally the rest of the world doesn't have this problem. So let's start in that reality, unless you have a bunch of school shooting data to prove me wrong.
Australia is a great example of gun control policies and how they can be used to stop public shootings like they did in the 90's. It worked there, and literally everywhere else it's been adopted, including here in the US with the Brady Bill. (That lapsed long ago).
I own guns and use them. I also work in a field where they are used often.
So I know what I'm saying when I say that there absolutely should be compromises on what types of weapons are regulated, how they function, and we should without questions require a license to get one like a car. But a conversation about these things needs to actually happen for better options to be brought to the table.
Without Hogg and others, we're left with a bunch of idiots that think doing nothing as our children get executed in schools is a necessity if we want to have fun with guns.
So I find it hard to agree with anything you just said as it's mostly a made up terror fantasy you're substituting as factual to skip over the actual conversation about gun regulations that need to be had.
The difference between your opinion and Hoggs is that his will effectively save children, and yours will let them die.
There's absolutely a middle ground. And if you don't like his policies, you should be the one finding that middle as you weren't the one who was shot in school as a child for the crime of being American like Hogg was.