Why People Love to Hate What is considered wastewater?

https://amarisuewq.doodlekit.com/blog/entry/5113359/where-will-sources-of-industrial-wastewater-be-1-year-from-now

Wastewater refers to all effluent (= sewage or liquid waste that is discharged into water bodies either from direct sources or from treatment plants) from household, commercial establishments and institutions,