There were quite large areas of airspace closed just for this reason via NOTAMS - with airlines grumbling about that even before launch.
No there weren’t https://youtu.be/O_CnuIJWLJU?si=i13whtwSkIZS1yxx
No there weren’t https://youtu.be/O_CnuIJWLJU?si=i13whtwSkIZS1yxx