Earlier quoted context omitted.
I think he's well within reason. If you were assaulted by a cashier at McDonald's, would you just ignore it and continue on? I'm pretty sure I would try and get the perpetrators fired and possibly charged, and have the company pay for any damages to my property.
I agree, he is well within reason to get a lawyer and sue the pants off of McDonald's in civil court if his case is accurate as he describes it. He's not asking for that though. What he basically wants is a public apology and for McDonald's to FIX his glasses. This is laughable. Notice how all aspects of this story point to how awesome his glasses are: "they help with a medical condition", "having them fixed is more…
The infamous hot coffee MacDonalds case involved a woman who had first asked MacDonalds (or that franchise, not sure) to pay her medical bills (around 20 grand iirc for extensive second and third degree burns) and they refused. It was only after that when she sued, got a list of other complaints about the temperature and won a large judgement (reduced on appeal).