You shouldn't ignore people.
Gary is replacing the starter on his car with the help of Timothy, who has much more experience, and is advising him on how to tighten the bolts.
Gary wants to replace the starter.
Gary follows Timothy's advice and torques the bolts to the specifications.
Gary ignores Timothy's advice and just cranks down on the bolts.
The new starter goes on smoothly, and the work is done quickly.
The bolt holes strip, and Gary has to cut new threads and put bigger bolts in, greatly increasing the work he has to do.