Will be interesting to see where they go with him now. He's back, he's fought for the belt but it's still on Ambrose. But you've also got Brock in the mix right now, the legit monster heel who got pinged twice on his UFC return - one of which could only have happened on the day of competition. In terms of egregious "cheating", Lesnar is the one. But it feels like he'll get an effective pass for it because he's Lesnar.
At the end of the day, the drug testing policy in WWE is what they say it is, a "wellness" policy. They're Sports Entertainment for the expressed purpose of side stepping all this stuff. It makes me wonder what it is Reigns was actually doing in order for it to warrant a public announcement. I suppose they had to get ahead of it because everyone legit hates him and he had the belt, and if it subsequently came out it's one more thing for people to kick off about.