Exactly my experience too. I was arguing that with even a best case scenario weight gain for older, skinny guys is a slow progress if that gain is going to be useful for force production and not just an opportunity to shop for pants in a larger size waistline.
Randy - check out this gym as a closer alternative (Berkeley) to Sac for in person form and technique coaching. It used to be a SS gym but for various reason is now not. Still very good coaches. Barbell Training for Everyone | Bay Strength