[Maroon 5.0 LX]

Pat Goss on PBS's Motorweek claims brake systems should be flushed once a year. According to him, brake fluid is like a sponge and draws moisture in the system. I've seen cars 20-30 years old with probably the original brake fluid in them with no problems. I've seen 5 year old cars with rusty wheel clyinders, caused by moisture in the system.

I think if your trans fluid is changed every 20-30k, and there is no foreign material in the pan, a flush is not needed. You should drain the torque converter each time too.

A jug of fuel injector cleaner of a good brand once in a while probably wouldn't hurt. Fuel filter changes will keep system in good shape.

Although what he suggests won't hurt your car, I think mechanic #1 may be looking for a little extra income.