Keep in mind that a lot of the people that are running mainframes now have been running them for many years (think 1980s), and there was no alternative that cou

Keep in mind that a lot of the people that are running mainframes now have been running them for many years (think 1980s), and there was no alternative that could run at the scale / speed / throughput that the mainframe can. So much of what we do today in the cloud can be attributed to the trails blazed by the mainframers. Fascinating technology.