A line on a drawing appears decisive even when it follows several options and a late change of mind
That is not dishonesty; documentation must be clear enough for others to proceed.
Responsible confidence includes revision
When evidence changes, the design should change with it, and the record should show which decision now controls the work.
The design consequence is a clearer hierarchy of information, traceable references and documents that remain usable under real site pressure.
Professional certainty is not the absence of doubt. It is doubt tested until an accountable decision remains.