I know professors who use their tenure security to commercialize their research via entrepreneurial risks.I found it was easy to ascertain those "Profs" who taught full time vs. those that were "Adjunct instructors". The tenured professors talked about what could be - the Adjuncts not only spoke of what could be, but what was reality in the "real world" ...
But these types of people are unlikely to ever retire, let alone ER...