Arguing about how bad or how mild Penn's "sinus infection" is pointless. Neither of us know but that is a very lame excuse IMO. Any excuse after you lose is moot point. You lost, you don't need to say anything. Let your fighting do the talking for you and save your dignity.
How is having a sinus infection a lame excuse? Have you ever had a sinus infection, tell me? Even mild sinus infections normally cause a fever, headache, and pain. I'm going to assume you have never had one, otherwise you would know exactly how bad a sinus infection actually is. In fact, a good case of sinus infection is worse than any flu you will ever get.
My point is, you assuming that it is a mild infection is based only on your opinion that you know absolutely nothing about, and for all you know, it had a major, major impact on his fight. Why call it "lame" and "moot" and "loss of dignity"? Hell, it wasn't even BJ that said he was sick, he hasn't said anything on it. BJ didn't make any excuse or say anything about it.
If BJ had a sinus infection, then it is his fault, and his camps fault, for not calling the fight off. Frankie did what he needed to do, won the fight, beat Penn, regardless of the reason why he beat him, but to say a sinus infection is a "lame" excuse is a "lame" thing to say, considering it seems you have never even had one, thus not knowing exactly how bad it actually is.