Toss the crust

• Pro: No additional negative effect on your enjoyment of the food or your body
• Pro: compost and let the plants eat it
• Con: You cease to be a grown ass man

Eat the crust

• Con: Negative enjoyment
• Con: Extra Calorie consumed. More strain on the medical system.

If anything, eating the crust would be the “wasteful” decision. I’m sure if it were possible to get the same pizza without crust, all of these people would jump on that chance.