I am also suspicious of some numbers that are spoon fed to us.  The number that matters most is the actual line.  If I see value with a certain number, I don't care if public money is on it or sharp money is on it.  I establish my buy-in number and shop for the best bargain I can get.  If the number goes up and I'm on the under...good for me.  Now I got 5 dimes worth of value for just being patient.
Perfect example last night...No names and no disrespect intended.  A capper here bought down the DET total from 191 to 189, I believe, to play the over.  That's a lot of juice.  The line moved down to about the same because of some injury reports.  I saw a bunch of cappers come in and ask me what I thought of the 2 point drop.  This must mean to play the under if the line drops 2 whole points, right?  I told them to stay on the over.  Hell they just gave you guys something the previous capper paid -150 for.  The over hit both for the -150 capper and for the late takers.  What were my exact words when the line dropped yesterday?  yeah...look it up..I think I said this was a "scam".  Over hit.  I missed the boat since it was only an axtion play for me anyway and didn't want to rebuy at a lower number...