The specific problem is difficult to quantify: he's clearly anti-science and a loose cannon, and he's in control. Where a normal handover may include a brief news blackout during transition, this is all a bit Arbitrary Diktats Of Dear Leader and people are jumpy as heck.

Data resilience in the case of a rogue executive is an unusual thing to come across, but it can't be unique. Executives change, and organization data needs to persist beyond the current board.