I have not read that blog because I am not an EMH girlie sorry. Me and EMH have starkly different attitudes and beliefs. Apples to pears, really, maybe Oranges. [Though my beef is not as much with the series as it is the fandom, which is imo even worse than MH with the woman fridging and shit but that is neither here nor there. EMH is fine.]
I don't really have many thoughts on it though, unfortunately. I like reading folks interpretations of shit ans hearing how different stories explain or rationalize their Operator/"Slenderman,"—as imo that provides as much insight into the theorist as it does the series—but I don't have many thoughts on EMH ^^"
I suppose if we want my thoughts on the Operator itself though, to me, as a monster it has always been it is something sort of unfathomable/somewhat incomprehensible to people, and thats kind of the fun part.
Is it a manifestation of human evil? Is it a supermassive cosmic horror reaching into our world? Is it a corrupted nature spirit? Is it a stand-in for systemic abuse marginalized/disempowered people face, with the whole story meant to be an abstract metaphor?
For Marble Hornets, I am not altogether sure if there was ever really meant to be a specific answer, but I enjoy talking about and discussing the different options, and the fluidity of the Operator is what makes it such a formidable and terrifying force, because in not knowing what it is, we are helpless to stop it.
I will admit I am partial to the second option I listed, but that is just a peering into my psychology really haha. I personally just find the idea of something impossibly big thats feeding off people like a whale does off plankton cool :-)
The vagueness of it is what makes it work though, and any theory about MH or adaptation can work with enough elbow grease. I more care about the execution honestly than the actual choice on what the Operator is.
I hope this was a satisfactory answer!!!