That is a flaw with how the city wrote the law and how they enforced it. The police should have been sent over while the fireworks were being discharged,
70% of DJI's market would still need updates. DJI is not going to pull the plug for everyone.
Unless DJI decides to region-lock access to updates, you'll be able to get updates for the gear that you have. DJI doesn't have any reason to burn it's...
If you purchase a DJI device that meets all US certifications, it's completely legal (right now) to buy it outside the country and bring it home with you. All of DJI's current drones are certified by the FCC.
If you read the article that you linked to for the quote, you'll find that it wasn't about privacy or surveillance; it was about taxation.
That's the risk when trying to apply a statement from a quarter of a millennium ago to a modern...