It would need delta wing at slow speeds and swept wings at hyperspeeds........
Tooling about at max cruise is the easy part.
Getting to/from max cruise is the happy land of "All you have to do is..." where the weary throng of engineers labor to make the grand dreams of others become a bit closer to fact.
Been retired from that business for long enough now that I don't even feel sorrow when I see one of these click bait media announcements.