I would imagine that there are more ATMs unattached to banks than attached, so saying "most" ATMs don't take deposits doesn't seem like a stretch to me. As for

I would imagine that there are more ATMs unattached to banks than attached, so saying "most" ATMs don't take deposits doesn't seem like a stretch to me. As for deposits, modern ATMs in the US will count bills and also scan and deposit checks immediately without envelopes.