He also has a son who played at Northwestern and STA and just transferred to Texas State from ULM.
https://www.si.com/college/group-five/sun-belt/transfer-portal-ulm-ol-tellek-lockette-commits-to-texas-state
Occam's Razor?
Why couldn't have been a situation where he simply got a pay raise with additional opportunity to pad his resume? It's nor always coaches pushing out assistant coaches.
All true and at many college and NFL programs you have former offensive linemen coaching other positions and vice-versa. It's called coaching as you know as you are in the profession.