They certainly killed people there but as you know from your visit, much more was also going on - forced labour, torture, illegal experiments. Whereas Birkenau was where the majority of arrivals were herded straight off the trains into the gas chambers. Anyway, let's not quibble about where...
He is technically correct that Auschwitz was a work camp but Birkenau/Brzezinka just a couple of hundred yards up the road was an extermination camp where a lot of the workers were also housed. But they were both part of the same complex.
To some people of a certain age it seems incredible that the holocaust can be denied. But ignorance is always the enemy.
For example, last year the Polish government felt it necessary to pass laws banning suggestions that Poland had any part in the mass murders of Jews after Fox News (yes, I...