There are plenty of things you'll never completely understand in sports. Why do we say "we won" when our favorite team wins? Eli Manning ain't dapping you up. Why are people voluntarily Jets fans? How is Tim Duncan still playing so well?
Those questions all have there own level of merit—so props. What's incomprehensible to most of us is why someone would storm the field during the course of the game just to interrupt the experience for hundreds in attendance. And why naked?
The rewards very rarely outweigh the consequences, which include fines and a spot on the registered sex offenders list in the UK. But the more immediate consequence is getting bodied by security and being on YouTube until the end of time (or Google). Why go through all of that for people who will never know your name? We'll never understand. Here's A Recent History of Streakers Getting Destroyed by Stadium Security.