You can have as many as you want but they will never agree on if it is connected in the right direction or not.
How many audiophiles do you need to change a lightbulb?
Only one.
But ten to discuss whether you need a 60W or a 100W bulb.
Ten more to discuss the relative merits of screw-in vs. bayonet fixture.
Ten more to discuss the relative merits of LED and halogen.
Ten more...…………………..