I don't blame Amtrak for holding the line on untrained animals. Airlines and airports have had serious problems with untrained animals claimed as ESAs. Even the proponents of ESAs should recognize that the vast majority of claimed ESAs are actually untrained pets, causing real problems for other passengers. I fly a fair bit and have been fortunate to have only been seated next to an ostensible ESA once--on a transcon to Baltimore where a German shepherd barked, whined, and slobbered over me for five and a half hours. The dog peed at one point, soaking the underseat bag of the guy sitting behind him. It was seriously the most miserable flight I ever had. On another flight I was on, an emotional support cat escaped from its owner and ran around the plane, hiding under seats, until finally a flight attendant was able to re-capture it. She was scratched pretty badly in the attempt. And then there are the maulings:
https://www.washingtonpost.com/nati...terminal-lawsuit-says/?utm_term=.16c659142cb2
Seriously, folks who have medical needs for animals need to get them trained so that they aren't a danger to others. If I were an airline, I'd start by requiring dogs to be muzzled at all times. That way they can provide emotional support without the risk that other passengers will be mauled.