I’ve been wondering about this myself. If you work in publicco tech, all their grants are priced in dollar equiv. So as you say, bouncing jobs right now should give you a ~50% equity boost, if you’re on a 4 year today at your current co. Surely though this is obvious & companies are doing top ups?
Or, since they’re all entering hiring freezes / layoffs maybe they don’t can and want the attrition