The tribes do not get Brave rewards as none of them are signed up as publishers unfortunately.
Odd, the Brave Browser shows the little donation triangle and box claiming that several tribes accept Brave tips. StemGeeks.net put up a post when they joined the program, but they never explained what they were doing with the rewards.
This screen snapshot shows a box claiming that HiveHustlers.com is a certified brave creator:
That is a separate site from the actual Hive Engine front end. That site is the info site I built for the community using Wordpress. I have it set up on that site, but it is not something that is available on the actual Hive-Engine site. So if you were to click on one of the hivehustler posts from that site, it would lead you to hivehustlers.io which is the blockchain front end.
There only needs to be one site in the Hive-O-Sphere for the system to collect Brave Tips. LeoFinance, StemGeeks, peakd.com and hivehustlers.com all seem to accept tips. I suspect that there are more.
The main thing is to have a few contests that distribute the rewards. There is very rarely a post on created page for Brave .
The accounts that issue coins can play games like burning coins equivalent to the BAT tips.
Note, there may be rules against sharing the tips. I am really not up on the brave ethos.