They are human beings just like everyone else.

There is no need to be rude to anyone.

Perhaps this is the only job they could find to avoid being homeless or getting public assistance.

You never know when you may be in a position when you may have to earn a living by approaching strangers.

Why be rude - just say 'no thanx' and hang up

Do you all get joy from being nasty. Does being rude make you feel good. Does your conscience not bother you.

If so then, you are the ones with the problems - deep problems