champion of lemurs everywhere

Me: *went to zoo today and at some point goes to see the Lemurs where there is a sign that says "do not tap on the glass" in plain view*

Lady: *trying to get them to move so she can get a picture or video, starts tapping on the glass*

Me: Don't tap on the glass. *said politely, as I was standing right next to her*

Lady: *either doesn't hear me or is ignoring me and does it again*

Me: *loudly enough for other people to hear, which apparently was enough to make her take notice* Hey lady! Don't tap on the glass!

Lady: *looks at me* Why?

Me: *points at the sign that says "do not tap on the glass" that is like inches from her effing face*

Jeez... I didn't want to be rude, but dude, the sign was right in front of her face (no to mention that there are signs like that all over the friggin' zoo). Those poor animals are living creatures and I'm sure they can get stressed enough as it is with all those noisy people coming day in and day out, they don't need people harrassing too.

Also, pic of lemur in mid jump: