Unfortunately Firefox is getting worse every day, specially after the introduction of the horrible v89 interface. Having to resort to Chrome again demands some precautions.
Latest Chrome 94 introduced an idle detection feature, which is a privacy nightmare. Fortunately, we still can disable it here:
chrome://settings/content/idleDetection
And don’t forget to also disable the privacy sandbox and FLoC features:
chrome://settings/privacySandbox
I really wish I could go back to ol’ good Firefox.