The degree to which we normalize unsustainable industrial activities is impressive.
We're not talking about the heat death of the universe here. Industrial society (especially industrial agriculture) is counting down toward auto-destruct sequence on a time scale of decades, not billions of years. Look at trendlines for soil erosion, aquifer depletion, cadmium soil buildup, land salinification, etc.
It's oddly one-sided how people always ask if sustainable agriculture can replace industrial agriculture. By the very definition of the word "unsustainable," industrial agriculture cannot replace industrial agriculture.
The impact of rockets is a tiny speck by comparison. In this case rockets will effectively preempt the slow encroach from land privatization lobbying and housing development, which would be far (far!) more destructive to the wetlands than the occasional rocket detonation or ten...
Anyone who loves preserving wilderness should love rocket launch sites, as shown by the history of Cape Canaveral vs surrounding land.