Many people think that this is realistic, eventually.

The eventually is starting now.

How exactly did people think it would happen? Someone clicks their fingers and we live in a sci-fi universe suddenly? Or that magically the entire space industry will restrict their orbits to a few narrow bands to preserve the oh-so-precious long exposure views of sunsets forever?

These articles are just futile bleating.

The future just isn't going to wait for grey-haired astronomers to catch up.

PS: If we can launch satellite constellations cheaply enough to cause an issue for terrestrial telescopes, then almost by definition we can launch telescopes to space at a low enough cost to solve the problem and get a better vantage point without the pesky atmosphere in the way.

Why doesn't Musk just put the data centers on container ships, if he wants to avoid red tape?