Why has my friend received 5 free BAT from Brave?

Briefly describe your issue:
My friend just received 5 free BAT from Brave for no reason. How can I get the same reward ?

What Operating System and Brave version are you using (Menu --> About Brave)?
Windows 10 and the latest version of Brave (1.25.70)

Is your browser wallet currently verified? (yes/no)
Yes it is

What date did you verify your wallet?
More than one month ago

Have you been able to successfully receive payments in the past?
Yes but I had to wait like one week after the 6th of May…

Are you using a VPN? (yes/no)
No

Are you in a supported region (see here for list of supported regions)?
Yes I’m in France

Does your device pass the SafteyNet check (Android only)?
I’m on pc

Have you manually turned off Auto-contribute on all of your devices linked to Uphold??
Yes

Free BATs,
Curious Case never seen before… :scream_cat:

How do you know he did? How do you know it was “free”?