Thank you for mentioning the accessibility thing! I am (literally) sick of websites that add smooth scrolling with no way to disable it. Personally I don't see the point because it makes everything feel laggy and swimmy and I want my scrolling to have a 1:1 correspondence with my scroll wheel/gesture/whatever, like what my brain expects.
It's often overlooked, glad to hear it's appreciated.
I hate scroll jacking. In this case, we're only animating the move towards a new part of the page, just as with carefully planned animations, it's mostly about not losing context while transitioning between two locations.
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