Their IT department will certainly ban Brave to prevent future uses of Tor, now that they’re aware!
But there are many industries where a zero tolerance policy for Tor session origination from a desktop is absolutely legitimately appropriate, as it could otherwise be (even just one-time) exploited for massive potential harm to wealth and people.
There’s a popular view with some freedom folks that we shouldn’t have the right to search people who are visiting family in jail, and while they’re right from a purely theoretical “my rights” standpoint, from a pragmatic stance it is generally understood that it’s fair to try not to let weapons be given from visitors to criminals, even if abrogation of rights occurs — and if you forget and bring a knife someday, you may get banned from the jail, even though it’s just a mistake, because of how serious the safety and lives are at stake.