But they did so most likely because of ordinals and BRC-20 tokens.
Later this year, we’ll add support for more Bitcoin account types, which will allow users to store BRC-20 tokens and Ordinals in Brave Wallet—and make all of these features available across all desktop and mobile versions of Brave.
The ironic thing is that Brave only just added Bitcoin support to their browser wallet
https://brave.com/blog/bitcoin-wallet/
But they did so most likely because of ordinals and BRC-20 tokens.