Despite these similarities, pesticides affect much more than water pollution. There are a lot of viable options currently that we could be using instead of pesticides.
Water pollution encompasses much many more contaminants than pesticides do such as the pollutants found in oil spills.
With the dolphin slaughter that occurs in Taiji, a significant portion of the issue revolves around animal welfare and inhumane killing practices, which does not directly correlate to the effects of pesticides and the consequences of water pollution.