Astronomers don't have any control over the frequencies of light emitted by the stuff they're looking at, and they could previously rely on radio-quiet locations existing somehere on planet Earth.

> Same as we were fine with every other thing that seemed like it was going to destroy the world.

We might be, or not. Anthropic bias: we can only observe the dice rolls that don't kill us.

For all we know, attitudes like yours are the solution to the Fermi paradox.

But this isn't about "will destroy us", this is about "is this interference even necessary?" and "do your personal benefits outweigh the harms to others?"

If I were in charge of the would I would say "let's put the telescopes in space" — but as I'm not, that's promising jam tomorrow to someone who wants food today.