Could they even if they wanted to?
So this story from earlier this year:
So given all the supremely personal acts that we have happily relinquished to software, why do 60 percent of Americans use a real live tax pro to do their taxes? TurboTax costs less than $100 for most people, and it’s probably a breeze compared with open enrollment. Yet only 21 percent of Americans use tax software. Nearly as many, 17 percent, use a pencil.