Like investments, the implicit question of whether one can trust Facebook (etc.) going forward is actually orthogonal to their current or previous behaviour. Wh

Like investments, the implicit question of whether one can trust Facebook (etc.) going forward is actually orthogonal to their current or previous behaviour. Whilst it might inform and be predictive to a great degree, there is no way to bind "future Facebook" to any real guarantees. In Debian licensing, we call this the "tentacles of evil" test..