A coincidence is just an explanation waiting to happen

So what you are characterizing as conspiracy is merely an unfortunate coincidence.

People are entirely too disbelieving of coincidence. They are far too ready to dismiss it and to build arcane structures of extremely rickety substance in order to avoid it. I, on the other hand, see coincidence everywhere as an inevitable consequence of the laws of probability, according to which having no unusual coincidence is far more unusual than any coincidence could possibly be.

My father told me that for the most part coincidences could be safely ignored: they were merely that chance discovery of one pertinent fact from a million or so possible daily interconnections. “Stop a stranger in the street,” he would say, “and delve into each other’s past. Pretty soon an astounding-too-amazing-to-be-chance coincidence will appear.”

"It was a coincidence."
"I don't believe in coincidences."
"Neither do I. That's a coincidence, isn't it?"

Do you think it was a coincidence?"
"Do I think what was a coincidence?"
"That we wound up in Pandemonium the same night that Jace and the others just happened to be there, pursuing a demon? The night before Valentine came for my mother?"
Simon shook his head. "I don't believe in coincidences."
"Neither do I."
"But I have to admit, coincidence or not, it turned out to be a fortuitous occurrence.