He actually wasn't bad and possibly could have made the U.S. team. However, he was born in Colombia and was a shoe-in to make their team. He beat the second fastest American at Rio. But I am not sure if he was an American citizen in 2016. If he was, he probably figured I can swim for Colombia and be guaranteed a trip to Rio or swim for the U.S. and have maybe a 50/50 shot. I would never fault someone for taking the sure thing, especially when it's his country of birth.
I remember a meet back in college against Eastern Illinois. We were crapping in the pool and the coach told me I had to swim my usual event (200 fly) because our team was not swimming well. I get up on the blocks and they introduce the guy next to me as the Olympian from Ecuador (or maybe it was Guatemala?) in that event. I looked at my coach with a look of WTF. He just shrugged his shoulders and smiled. I think I beat the guy by about 20 yards. Central America was not exactly a hotbed of swimming back then. Still can't believe they introduced the guy that way given that he wasn't exactly fast.
An old teammate from back then still has on his LinkedIn page that he "went to the 1984 Olympic Trials." I know for a fact he didn't come close to qualifying so I can only assume he means that he attended and watched from the stands. LOL Guy was a complete doofus (and apparently still is).