I can agree with you and sometimes I can't agree with you.
I don't believe I would consider S&T the standard just yet because there is at least one other company I can think of that is equally as good and that's DeLorme and at last check their files couldn't be converted to S&T or vice versa. There are more companies (GARMIN, Magellan) but I'll leave it at that.
What may happen, which may make this the standard, is that the company that makes S&T "allowed" themselves to be acquired by Microsoft and have been able to distribute themselves due to the popularity and cheap prices that the volume of a company like Microsoft provides. When you are as big as Microsoft, they can do that. They solve their revenue issues by selling cheap but making up the price loss by creating volume.
This is what killed Beta. Sony invented VHS, then came out with Beta which was a better recording format. So they sold VHS rights to everyone, kept the Beta to themselves, then got killed when VHS became cheaper and more popular. It's not always the best company that wins.
The battle with Navigation is still going on from several companies and I think it will be hard to standardize until each company gets the money back from their R&D or they drop out from lack of popularity or sales.