Comment by paxys
If the license has been unclear for 8 years and the company hasn't bothered to get a lawyer to fix it then the "I'm just an engineer and don't know about this stuff" excuse doesn't apply. It's obvious that they are deliberately keeping the license vague and confusing to scare users into paying for a commercial edition while also calling their product "open source" for marketing purposes.
I really don’t think it’s unclear. The use of “you may be … in one of two ways” is unambiguous. The fact someone opened an issue is evidence that one person was confused by it, but we don’t know anything about that person. They may not be a native speaker of English. Or they might be trying to pick a fight because the licensing terms don’t agree with their viewpoint.