It was specifically about removing stones from a creek or riverbed, which (apparently) can have an effect on the flow and disturb the ecosystem. The OP was very polite and informational but everyone started flipping out and arguing over it for some bizarre reason. Link
Sample:
Should we kill all Beavers? I hear they alter water flows in an unnatural manner.
people are mad about cairns?
It was specifically about removing stones from a creek or riverbed, which (apparently) can have an effect on the flow and disturb the ecosystem. The OP was very polite and informational but everyone started flipping out and arguing over it for some bizarre reason. Link
Sample:
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It just seems equivalent to having a strong opinion about flint knapping, or atlatls.
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I just don't really believe it's a thing in year of our lord not 100,000 BCE