A question about leavebuster

OK so I've been on the receiving end of low priority queue twice now the first time was understandable because I disconnected and never got back into game. The second time had though because I left the game to restart my laptop because of a fps issue that occurred in the middle of the game reconnected to the game before it finished heck I was the one that made the push to nexus but afterwards still got the 10 min wait for 5 games.

So my question about leave buster is can this system be used to check to see if someone disconnects in a ranked game without reconnecting and if so make adjustments to the amount of LP the remaining team members lose? I've been both on the winning team and losing side for when a team loses due to an AFK and honestly it's not fun. Either your looking at the LP gain like "was this really earned" or you look at the LP loss like "If only X champion didn't disconnect".

So it's just a little question from me.