I think it means a dog won't run a long distance for a positive reason, only for a negative one. I.e. it won't run far to get food, but it will to avoid pain.
But a human will run far to get food which no other animal will do.
That page doesn't exactly scream "reliable", and doing both a regular google search and a google scholar search of "Cursorial hunting" doesn't come up with a lot.
At best that term talks about animals that chase prey over distance rather than try for quick attacks, but that's not in the same category as endurance hunting which can last an entire day.