I didn't say anything about his markings. But I guess you two guys have lots in common.
And where did you get that 85° from? That would add up to... 100° ;)
Anyway, I suppose you might be right regarding the way the air travels, but I tested it and no matter how I mounted it it ended up like this (on the left): https://imgur.com/c1ta7E5
Stock cooler on the right.