The TurboTax account fees for using the online editions are not illegal. You used the wrong online software for your tax return. The Free File Program online software should have been used on this website - https://turbotax.intuit.com/taxfreedom/
Contact TurboTax support and explain your situation. Use the key words billing issues when entering your problem on the TurboTax support website.
Use this website to contact TurboTax support during business hours - https://support.turbotax.intuit.com/contact/
Support can also be reached by messaging them on these pages https://www.facebook.com/turbotax/ and https://twitter.com/TeamTurboTax