On toolbars, text labels should be tooltips. And tooltips should show up without delay, so I can go through the icons at my own pace by just hovering over them

On toolbars, text labels should be tooltips. And tooltips should show up without delay, so I can go through the icons at my own pace by just hovering over them. I feel that the idea that tooltips only show after a delay was a grave mistake, which has become cemented and is relentlessly perpetuated.