I always look for a way to disable it

Why? I'm genuinely curious. Couldn't you simply not touch the screen? It's what you're supposed to do for all non-touchscreen laptops anyway.

	▲	elxr 2 hours ago \| parent \| next [-]
		My guess is so they can wipe the screen without triggering an errant click. Like how you'd lock your phone when wiping oil off the screen.
	▲	dmitrygr 2 hours ago \| parent \| prev [-]
		accidental touch, especially by others looking over my shoulder and pointing