With cross training 10% of training goes to a random skill.
So based on this and the fact that you mostly see very low skills pop, it's safe to assume that the elastic effect is real, and it's getting applied in some form after training has already be assigned to skills
Not that it matters much for the current conversation.
"I don't know half of you half as well as I should like; and I like less than half of you half as well as you deserve."