Sorry, Your Brother has quite the imagination or cant judge speed so well.
The max for a Spark in windless conditions is 50 KPH.
My DJI FPV with Gemfan props will do over 100 kph.
This is a brand new unopened sealed box of the latest, greatest Mavic drone, the Mavic 4 Pro. The image is one I took in Iceland with the Mavic 4 Pro.
Key Features
Capture stunning aerial photos with the Mavic 4 Pro's 100MP Hasselblad...
I'm no doubt naive when it comes to the motives and methods of the world's bad actors. But, as a practical matter, of what conceivable value are my (or anyone else's) flight data to them? I'd imagine they have bigger fish to fry.