Usually when inputs system get more complex, the game start to show undesired behaviors, and the larger the inputs logic, the harder it gets in detecting the reason behind the issues.

With Easy Debug Inputs, you can display on screen representation of the player inputs, which is a very common technique in the world of QA and testing.

You can even record gameplay sessions, and later you can watch to analyze it, not only to figure out the cause of any issue, but also how players interact with your game.