It's possible they haven't requested it yet. I've only heard SKA complaining loudly in the media while American radio telescopes have very obvious blackouts visible on SpaceX's map because they've requested them.

So everyone needs to go beg every single satellite provider to respect the well known existing radio quiet zones? I suspect it's more likely Starlink is ignoring all other regulators and regulations other than the FCC, hence why the US-based observatories are considered.