It may be true that the sentries tend to hold up the flow of maple-lovers into the area, but they also have the positive effect of reducing the amount of litter that people may leave behind them; and also of helping to allow the forest area to continue to expand unhindered by human interference.
檢查哨固然延阻賞楓的人潮，卻也減少了人為的汙染，楓林的面積才能不斷拓大及壯闊。鄭廠長的慧心漸行漸遠，碧湖逐漸失去蹤影。