Calling something an illusion is the wrong way of looking at things because everything in life is about getting at least 80-99% there — to be “good enough.” Everything therefore is an illusion by that logic.
There’s no absolute guarantee that a seat belt will save you, or that no one will poison your water supply, or that your AWS service will always be up.
Perhaps we are no longer 90% in this space due to changing political climates but we were there before.