The linked blog post doesn’t state it explicitly, but I suspect that the non-Brave browsers were not equipped with any kind of adblocking for the test. Brave ha

The linked blog post doesn’t state it explicitly, but I suspect that the non-Brave browsers were not equipped with any kind of adblocking for the test. Brave has built in adblocking, so if my suspicions are true the test is rather disingenuous. At minimum Firefox and Chrome should have uBlock Origin installed and Safari should have Wipr or 1blocker installed to make it fair.