Well this goes to show how these forums are full of "know it all's" who swore that the days of 250 hour wonders were over forever!
Captains...if it's one of those dark and stormy nights and your on your last leg, feeling tired and hoping to lean on your FO a little to get you there...and you get the guy with the uniform shirt so white it looks like his mom just bleached it for him and his flight case looks like it just came off the shelf from office max...call in fatigued.