Sharkscope NLTRN

[XxPenguinxX]

This is my first post for a while - I used to be one of the few regulars on this forum when it was really quiet, and have just got back from a bit of a poker break.

I've been reading posts here for a few days, and have developed a bit of a bugbear. Many posts analyse decisions in the context of "villain is a losing player on Sharkscope" - how can this possibly be relevant?

It is definitely -EV to base any decision other than whether or not to sit down on Sharkscope, and I'm curious to know why people do it.