I ignore people who routinely operate machinery will safety switches disabled.
Find out why the seat switch is tripped and FIX IT!
He also didn't read the manual.
The manual says on page 45 to lower the 3 pt hitch BEFORE checking the hydraulic fluid level. In this video, he checks the hydraulic fluid level THEN walks around to the 3 point hitch and lowers it. This dangerous operator must have "topped off" the fluid, then lowered the 3pt hitch forcing hydraulic fluid into the overflow tube - that he then complained about.