Odd brave icon on pop-up ads

Briefly describe your issue:
The Brave icon on the pop-up ads now displays an odd “blocked” icon. Is this based on a setting? What information is this trying to tell me?

What Operating System and Brave version are you using (Menu --> About Brave)?
MacOS Monterey 12.0.1 / Brave 1.31.91
Is your browser wallet currently verified? (yes/no)
yes
What date did you verify your wallet?
Issue not about wallet
Have you been able to successfully receive payments in the past?
yes
Are you using a VPN? (yes/no)
yes

Are you in a supported region (see here for list of supported regions)?
yes

Does your device pass the SafteyNet check (Android only)?
yes