The IRS not processing or issuing a tax refund is not the responsibility of TurboTax.
You agreed to pay the TurboTax account fees and if the IRS delays the issuance of your federal tax refund then TurboTax can request payment of the fees you agreed to.
See this TurboTax support FAQ for payment of the account fees - https://ttlc.intuit.com/community/charges-and-fees/help/why-was-my-bank-account-auto-debited-for-tur...
