Himm. It's little late to answer but being late is better than never.
I am experiencing it for a years. It helps me on many projects. That's why it's programmed. Without it, you don't have any free tool like Meteorite MKV fixer. And I am actually happy while I am using it. Indeed it's the best HexEditor for Linux, for me, not just because of that I have program it (as an it's author).
I just write for learn your experiences with wxHexEditor.