A #3 philips screwdriver would not have stripped it like that. The pic shows you clearly used something else. Arguing is pointless. Drill it out and put in a new screw. Problem solved.
15 NS Ripsaw . 14 NS Proto HD . 14 NS Cobra . 13 Gnu Space Case EC2 . 2013 Salomon Pow Snake
14 Now Drive . 13 Now IPO
14 Flow Hylite