It would be aggravating to be out on clear moonless night attempting astrophotography only to have your images constantly ruined by the streak of a satellite.
Thank God that man cannot fly and lay waste the sky as well as the land and sea. - Thoreau
Satellite interference is already a problem. Amateur astrophotography is generally done is short steps, a series of 20-30 second exposures, which are then digitally stacked by popular freeware like Registack. The astronomer reviews each exposure by eye, deciding whether to keep or discard.
SpaceX caught a lot of grief because of the prospect of 2000 more visible satellites. Some people find the satellites an interesting display. There are international amateur internet collaborations that track satellites by eye, cataloging satellites *they* don’t want you to know about, generally classified U.S. satellites. I’m sure the Chinese and Iranians appreciate the help.
It would be aggravating to be out on clear moonless night attempting astrophotography only to have your images constantly ruined by the streak of a satellite.
...
Or an aircraft, or clouds.
It’s time for astronomers to put more scopes in space.
Even small ones can get incredible results in orbit.