You are being vague again, I understand it comes with the territory, so I won't fire up on you like some others, but I also don't quite understand what you mean.
If a player isn't going to sign with you, it seems pretty black and white (Isaac Howard, Adam Fox)
I think it's just something where defenders of the FO used it as a reason to let Blake off the hook for what ended up being a poor trade. The Axl's of the world can say "Faber wasn't signing in LA anyways" to make Blake look better. And that is the context of it being said, 99% of the time it's in justifying that trade.
Is it that he didn't sign with LA after his sophomore season? Plenty of players have told NHL teams they weren't interested in playing in the AHL, and ended up signing at a later date where they weren't likely to play in the AHL. Jimmy Snuggerud (another Minnesota kid) is an example of that from a couple of weeks ago. The Blues tried to sign him last season and he went back to school, and the relationship was fine, and he signed at the end of this season, and jumped right into their lineup.