I think it's just a holdover in the comp sci biz from the days when COBOL programmers found their COBOL hacking to be obsolete and chose to retire rather than r

I think it's just a holdover in the comp sci biz from the days when COBOL programmers found their COBOL hacking to be obsolete and chose to retire rather than retrain Truth is, old dogs CAN learn new tricks. But it takes more energy than just repeating their old tricks.