Angry annoyed untrained petrol attendant frustrating

Worse experience early hours of the morning. I'm driving a Diesel car the petrol attendant at Shell Bedford Centre. Oh gosh I'm still in shock. He put petrol in my Diesel TDI Polo. Please be careful out there. I've never ever experienced this before all other petrol stations normally do the right thing. They simply fill my car with Diesel. All Diesel drivers be careful of Shell Bedford centre 17 Feb something to 5am Really Shell and people trust the Brand