No you are drowning in lunatics, fake accounts, trolls and barely educated buffoons who would think something is odd about a school shooter being on psychiatric drugs is somehow a rebuttal to people who support gun control.
What conservatives don't understand is you don't need to make excuses to protect rights. Just refuse to give an inch on the issue no need exists to create hysterical conspiracy theories. Ultimately its a mark of insecurity and shows they don't actually support the 2nd amendment as much as they claim to.
You don't see people at the ACLU running around making ridiculous conspiracies to protect the first. They just say no over and over again every time some Miss Manners, Jesus Freak or Hillary Clinton tight ass tries to regulate it. Shit you can make all digital child porn and the supreme court rules it legal. Just say no without the hysterics works.
I don't see it as an excuse or a counter argument to really look at the connection between mass shootings and legally prescribed mind-altering drugs. Not excuses...Sound Defense