After you encrypt your code, you can hide it simply by pasting it in any PDF file, Microsoft Word document or PowerPoint presentation. It does not require any special skill because it is as simple as using a simple hide and replace tool.
On the other hand, professionals can also use the utility for education purposes. Is it against plagiarism to cite your own work? For instance, a company could use StringEncrypt9 to have students encrypt their research papers and then use the encrypted paper