Because it's very easy to see how this flaw came about.

Branch prediction and caching is necessary for modern processor performance and it turns out that these two features can interact in a way that allows software to employ timing attacks to determine memory state for areas of memory that should't be readable.

I think the only more concrete way you're going to determine intentional vs. unintentional is some type of paper trail being exposed.

stop being concerned about imaginary internet points and it won't bother you so much.