Nor would I. Sitting up and taking notice does not equate to rejecting a take off.
In 1200 hours on this type I never saw an intermittent/flickering stall warning. However, if I had and elected to continue then I'd be less than surprised by stick shaker activation when we got airborne because there was obviously something not quite right with the system.
One malfunctioning stick shaker (and it's a bit pathetic anyway) isn't a big deal. The aircraft will still fly without a problem.