For commercial products, using unlicensed tools violates EULA terms and can lead to lawsuits or the inability to certify a product (e.g., for medical or automotive use).
Using or distributing "cracks" for the MPLAB XC8 Compiler violates the Microchip Software License Agreement Licence For Mplab Xc8 Compiler Crack
: Using unauthorized tools can severely damage professional reputation and credibility with clients. 2. Major Risks of Using "Cracks" MPLAB® XC Compilers - Microchip Technology For commercial products