абсолютная катастрофа(El Salvador's experiment with Bitcoin is an unmitigated disaster: whoever held BTC lost 50%, the country spread is through the roof and the sovereign is near bankrupt.twitter.comAlex_Odeychuk)
неприкрытая наглость(focuses on the shocking nature of the behavior, often due to a lack of respect or decency: The thief had the unmitigated gall to return to the scene of the crime Taras)
абсолютный риск(Russian translation to be confirmed: REVERSO: That "unmitigated" risk is then compared against a tolerable risk target. – Этот рассчитанный «абсолютный» риск сравнивается затем со своим допустимым целевым значением.Aiduza)