: You lose access to technical support, which is essential for complex engineering tasks.

Once upon a time in the digital seas of the Silicon Archipelago, there lived a legendary figure known as the MATLAB Pirate

Replicates MATLAB's plotting and visualization capabilities.

Furthermore, there is the Cracked versions often break. The Simulink solver might throw nondeterministic errors. The Parallel Computing Toolbox might freeze. And because you have no license, you cannot call MathWorks support, nor can you post on the official MATLAB Answers forum (which requires a linked license). You are alone in the dark, debugging a ghost.