100% he was stoned, for the entire interview and contract signing. Heard Dan Fetes on the podcast say it was because he was crying. Maybe. But he was still totally baked!
The Bills could play hardball on this, if they wanted to. They hold all the cards and they're basically letting Cook "hold in". Id say if a coach told a player to play and they refuse, thats a $$ issue, one he wants to avoid.