The issue isn't minification, the issue is that the code is proprietary, i.e not written by the developer serving you the webpage. Minification is easy to get

The issue isn't minification, the issue is that the code is proprietary, i.e not written by the developer serving you the webpage. Minification is easy to get around - copy & paste into IDE and autoformat. Anyone who cares enough about the source code knows that they can do this.