Poor trail design for multiple use and/or no restrictions for the conditions. Run a couple strings of horses in the same conditions and you'll have torn up trails too.
“Some ideas are so stupid that only intellectuals believe them.”
― G. Orwell
"Why can't men kill big game with the same cartridges women and kids use?"
_Eileen Clarke
"Unjust authority confers no obligation of obedience."
- Alexander Hamilton
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