[BUG/FEATURE] requestTooltip() opens tooltip after the configured time delay?

If I explicitly call self.requestToolip(), I expect the tooltip to show immediately, however it seems that the tooltip opens after the preconfigured mouse-hover delay instead.

I want to have the ability for users on mobile to tap on an icon to show its tooltip, but I foresee operators getting frustrated when seeing a delay.

Is there any way to not delay? Can this be the default option?