The experiment indicated that altruism isn't a higher moral faculty overpowering innate selfish desires, but a fundamental, ingrained, and enjoyable trait in the brain.
ðɪ ɛkspˈɛɹɪmənt ˈɪndᵻkˌeɪɾᵻd ðæt ˈɔːltɹuːˌɪzəm ˌɪzənt ɐ hˈaɪɚ mˈɔːɹəl fˈækəlti ˌoʊvɚpˈaʊɚɹɪŋ ɪnnˈeɪt sˈɛlfɪʃ dɪzˈaɪɚz, bˌʌt ɐ fˌʌndəmˈɛntəl, ɪŋɡɹˈeɪnd, ænd ɛndʒˈɔɪəbəl tɹˈeɪt ɪnðə bɹˈeɪn.