Quoted from PismoArcade:He's a pretty sensitive guy...maybe the LZ criticism got to him and he knows he could have done better with a higher BOM.
He's only 71. Still has a lot of years to give to pinball.
And the fact that Elwin is the new King and kicking ass. Maybe his ego is taking a blow and he wants to show he can still do it and blames Stern for low BOM
Bottom line sales matter i don’t care who you work for or who you are