From: https://blog.pragmaticengineer.com/software-architecture-is-overrated/

Software architecture is overrated, because trying to perfect the design and documenting it in superfluous detail just distracts from the main goal: solving the problem the software is supposed to solve. What Is Software Design

All diagrams and documentation should be as simple and as easily accessible as possible, so that even the least experienced can understand and get to it.

Documentation should focus on why something was done, not only what was done.

Always ask for and give new perspectives.

In essence: focus on the primary task instead of using fancy software to perfect diagrams and whatnot.