If course everything is tradeoffs. Thinking in a binary known/unknown is not helpful. I prefer probabilities wherever possible. Choosing your bias depends on y

If course everything is tradeoffs. Thinking in a binary known/unknown is not helpful. I prefer probabilities wherever possible. Choosing your bias depends on your field. In a safety critical field, you rather want to be safe than sorry. In web development, move fast and break things. This isn't hard though. You usually know which side you prefer when in doubt.