Hi eco man and welcome to Footprint Friends!
I totally agree with you.
Reduce 
Reuse 
Recycle 
and if you are caught out and need a drink of water...
Why not ask for some tap water?
It is free at most restaurants and pubs, I dare you to try it next time. I will!
"You can't just go into any boxing club and pick a winning team"
Flo