There's no way for the government to know what your work expenses were, what you donated to charity, and so on and so forth through many of the deductions. If you don't want to maximize your return, you can be done in less than 15 minutes.
Even making more than 100k, with stocks through multiple brokers, a 401k, interest from multiple accounts, a house, student loans, and probably a few others I forgot to mention, it took me an hour and a half to do my taxes and cost me under $20 on freetaxusa (whatever the price for the state taxes they charged was low enough where I didn't care to figure it out on my own).
The tax code is one of those boogeymen items that everyone attacks, but in reality isn't nearly as bad as people make it out to be.