> there are less extreme examples such as McMaster-Carr. They've had the same design more or less since 2010 at least and it is usually considered both functional and tastefully current.
This? https://www.mcmaster.com/
On desktop, sure. But they don't work in mobile. And that's easily 80% of the troubles of modern design: to avoid building everything twice, today people write "responsive", "mobile first" websites that, on desktop, tend to have an excessive amount of whitespace and other issues (see for example the old vs new reddit layout)
What's being demanded of websites in 2023 is just much more difficult to do well than what people wanted in 2010.