[robocat]

> if it ain't broke don't fix it

It is a difficult line, because sometimes you see a website become commercially irrelevant over time because functionality is not added. And I guess some sites need to follow visual trends to maintain customers.

Also there are long term changes that can force your hand. Mobile friendly required changes or you would lose those customers.

Some usability trends are improvements (and some trends are bad: Apple seems to prefer pretty looks at the expense of usability (Apple used to have a fantastic HIG (human interface guidelines))). https://developer.apple.com/design/human-interface-guideline...

[cube00]

They're not adding functionality, they're putting pay walls up in front of old functionality. Look at Quora, certain answers are now pay walled, answers are supposed to be the core of the service.