You know, employing skills that software doesn't do well..
I'm not following this. Software (I use TaxAct) is quite good at making sure to ask you a lot of detailed questions about your life events and situation. Software can make sure to ask these questions and not forget one like a human can. If you, the end-user, neglect to check a box that says (for example), "I donated a car this year", then that's your fault not the software's. If you're trying to say the accountant would ask "Hey, are you sure you didn't donate a car?" and you respond "Oh yeah...you're right, I did," then OK, the human is better at coaxing info out of you (or inducing you to lie.) Personally, I'll stick to software.