Do you think it is good they are digging in the trash? Surely there is a better alternative to this. You may not like the wording but the parent is not wrong.
You are interpreting the comment in the most negative way possible. The system needs to change, and we need to help these people in a different way.
https://cloud.google.com/natural-language/
put in the paragraph
"The recycling deposit isn't a bounty. It's intended for the person using the goods. If they choose to forgo it by putting it in a bin, it shouldn't go to some random person digging in the bin, but should go to the waste department, which is expensive enough without people exploiting this incentive."
and see what the sentiment score is
The quote is matter of fact, as far as I can read.
>expensive enough
>exploiting
the tone is clearly judgmental