I CAN'T STOMACH 'IM

Is it true that native speakers of English are quite tolerant with the mistakes we, non-native speakers, make? Is it true that they always praise us no matter what our level is? Well, listen to this (British?) radio listener addressing the presenter of a Spanish radio programme (go to minute 29'10''):

http://www.rtve.es/alacarta/audios/los-clasicos/clasicos-mejores-momentos-musicales-del-programa-31-12-12/1630190/

Remember that the programme is in Spanish!