@NYC 428 posted:HO doesn't have a "standard", bub. It's a scale.
I try to like all model trains.....but some people have an.....attitude.
There's just as much junk in HO as there is in practically every scale.
Your quite correct HO is a scale, however, it has quite a number of standards, you may to check out below.
And if anyone has an attitude it's you BUB!
NMRA Standards and Recommended Practices
So....everyone who buys HO scale trains has an NMRA layout?