let's put that into certain scenarios:
warning at 100kts, you reject.
very long runway, you reject.
around 10kts to V1, runway not as long, you can continue, sort out the thing at 400ft (mostly retard T/L) and return to land w the whole length of the runway avbl to you.
you can add more scenarios to that.
lesson is, safer to continue the takeoff and come back for a landing rather than betting on being able to stop w/in the ASDA w high energy and w/o any other incident (ex: blown tires)