I worked with a older guy, a tester who had retrained from some other industry. He was pretty good, very thorough - but I noticed he had a strange habit - he do

I worked with a older guy, a tester who had retrained from some other industry. He was pretty good, very thorough - but I noticed he had a strange habit - he double clicked everything, even web links. I guess he was just told that was the way of computers!