The Internal Revenue Service is fast turning into a rude robotic agency offering little human communication with taxpayers even during nail-biting audits, according to a scathing new report from the National Taxpayer Advocate.

But advocate Nina Olson said in her 2013 report to Congress said that it’s not all the fault of the taxman. She said Congress bears some responsibility for limiting funding and dilly-dallying with tax laws like the alternative minimum tax until the last minute, a yearly phenomenon that delays refunds.