Headscratchers / Rostered On

• In season 2 it's revealed that Clint, the guy with the "faulty toaster" from season 1 is actually a chef. My question is, how does a professional chef not know how to use a toaster to the point where he turned the toast into charcoal? He even makes toast at work, and while one picky customer may have not found it to be to her standards, both Shaun and Sara considered it well enough to serve.