They’ll definitely know. Microsoft’s last update for Windows 10 will make sure to add as many notices, popups and scary alerts as possible.
And as a result plenty will care, particularly those who aren’t tech savvy. If you’ve got relatives for whom you are their go-to IT person, be prepared.
It’s not just a claim. “Hypersonic” ballistics like the Kinzhal are not real hypersonics. It’s just a faster ballistic missile because they launch it from a plane. Being ballistic makes it easy to intercept.
When people talk about hypersonics as a future weapon, they are talking about hypersonic glide vehicles. Not an Iskander strapped to a plane.