But then they'd typically say sorry or try to tell you they don't understand you/can't answer. Something like that. Here it seems like they were much more hostile... I haven't experienced that either, most people are very friendly, regardless of them being able to understand you or not.

Of course they may chose to do so, and IMHO it's the TS right to voice it out. Telling their bosses would of course be good, I'm sure their boss won't be happy having lost a customer like that.

Nah, go back to school They still are foreigners.

Judging by his English level I doubt they are Bangla workers. Could be Westerners. In any case well educated.

Ok, sorry then.