A paragraph by paragraph "dumbed down" translation of your original words would be pretty neat to have for starters. Both to understand what you mean but also to understand the lingo.
The "but verify" here is the difficult bit. Calibrating the verification frequency and intensity is the art of balancing micromanaging vs disengagement.
The reality is you verify by being more hands on than you or your report want to in be long term - but a good manager explains what you're doing and that it is time limited intensity to build trust.
I think it requires a certain definition of "lazy" that basically translates to "delegate everything you possibly can" - which we all know can be hard work in itself.
I think his point is that even with the current levels of vigilance and competence (which unarguably can and should be improved) the actualized impact was "minimal".
In other words, the expected scale of "disaster" here matters when assessing risk vs current operational fitness.