Given this:
1. are you comfortable with the amount of experimentation?
In the preseason, very much yes.
2. are the Bills not good enough to be doing this, or should they be trying to get better at what they ARE gonna do, and save the experiments for the preseason of the year AFTER we've made the playoffs?
Chan and Fitz are smart enough to try new things. Football Outsiders called Chan Gailey, the Poor Man Sean Payton. I think that's a fair assessment.
3. do you believe that "experimentation" is BS, and it's merely excuses for bad play from the starters?
No, its like working on your curve in Spring Training. These games don't count.