I also think the standard of “what is acceptable?” was much lower back then.
Most of the stuff there would be just... normal now. It's quite unusual for SPAs to have a decent consistent UX. And the slowness would never have been tolerated back in the day.
Looked at retrospectively, forms were just one step above green screen applications on a terminal, transplanting one set of structural idioms to another, like for like.
I see massive sea change in connectivity and immersiveness of today, but not really in what we're trying to achieve.