Ortiz is an old man and not the one to really test Wilder which remarkably is still yet to happen in 43 fights and almost 150 rounds, including 10 World title defences. His record doesn't really require that close examination to see why. He's so far managed to avoid the most dangerous fighters in the division or in their prime. After 43 fights. Compare that to say, Lennox Lewis at the same point in his career who was fighting the best the division had to offer and instantly any comparisons between him and truly great past Champions looks ludicrous.
He is an awful boxer, with a devastating punch. He spent the entire Ortiz fight looking for that one punch knockout and despite being behind on the cards, he never looked likely to lose. Could he fight like that against the guys he's so far avoided? I doubt it. Will he continue to avoid them? Definitely. He knows Tyson Fury will never knock him out, if Tyson had anything like a KO punch, there would be a lot less willingness to get in the ring with him and I don't think his camp see Andy Ruiz as any serious threat. If he does manage to KO Joshua again I wouldn't be surprised if all sorts of problems and issues crop up to stop the fight being before 2021.
Wilder talks a good fight, I'd just like to see him in one.