Issue with BAT Payouts for month of December 25

I am using Solana wallets linked to Brave Rewards. I am experiencing issues where the BAT payout does not match the number of ads viewed.
Setup: 4 profiles connected to 1 Solana wallet.
Activity: Each profile received nearly 300 ads for month of December 25 (including Sponsored in New Tabs and System Notifications).
Problem: The December payout was only about 1.5 BAT. Even at a minimum rate of 0.0025 BAT per ad, I expected at least 3 BAT for this wallet. Why is the payout so low despite the high volume of ads?

Thanks you!

@Dungnv1208