They were there for the purpose of 'hajj'(pilgrimage),
and a person who passes away whilst doing an act of worship is classified as a 'shaheed' (martyr),
may Allah elevate their status in Jannah (paradise).
Ameen
Muslims believe that, non-muslims don't. So if a non-muslim disagrees, let it be.
Also, as i understand, if it was their true and pure intention to go for worship, then the above "verdict" applies. And in this case we can't tell their intentions. But I'd like to wish paradise for everybody.
as for
most nationals gave a really hard time to people from South Asia, being racist and laughing at their misery, I think God has answered something
Hmmm .... How would you feel if someone said: Most Americans regard muslims as primitive and inferior, and participated in subjucating the muslim countries for a long time, therefore God has answered something by Sep11th?
Oh.. what was that? you don't accept it? It's completely different?
Treat others like you'd like to be treated.
Not all nationals treat south asians badly, and you, for sure, don't know if the ones who died were that way. That was a very insulting and insensitive remark.