I personally did read it that way, but I will concede that perhaps I was being uncharitable.
Regardless, I have seen people explicitly questioning whether it was faked elsewhere, and it makes me cringe every time. Talking about this serves literally zero purpose--it makes the left look crazy, any alternative explanations that make Trump look bad fall apart under the barest scrutiny, and it just serves to keep the assassination attempt in peoples' minds. There are literally hundreds of other things to complain about Trump over, talking about this doesn't help.
This shit right here is why I hate to argue about labels or whether someone is/isn't liberal/leftist/centrist/conservative/whatever. At best, they're an extremely vague, ill-defined, hyper-individualized label that means different things to different people. One person says "I'm a leftist," and they mean it as "I'm a progressive Democrat who supports heavily regulated capitalism, labor unions, LGBT rights, and am pro-choice." Another person says "I'm a leftist," and they mean it as "I'm an anarcho-communist who believes billionaires should forcibly redistribute their wealth, and I don't give a rat's ass about LGBT or minority rights because they're a bourgeoisie distraction from class consciousness."
I don't care about your label, I care about your policies. Those actually tell me something about you.