fsw, that's not far off the truth is it?

Well it is certainly for people wanting to claw their way up the ladder, thats for sure.
@UUICEO. Having PB or Blitz Basic or any other non-mainstream language in your LinkedIn profile certainly isn't going to make prospective employers jump up and down with excitement, They'll do the same as they always do, yawn and look for somebody with relevant skills to do the job they want done. You can shout till you are blue in the face that PB can do the job better than any other language on the face of the earth, but more often than not they'll tell you "I'd prefer it in VB, C/++, C#, Pascal"... Sometimes, just sometimes, you'll strike it lucky and they don't care what you write something in as long as it works, but that is very very rare. Especially if you leave, die or whatever, cause nobody can just jump in and replace you. There are a handful of PB pros and the rest of us just muddle our way through LOL with a lot of help from the true PB gurus like Srod, Netmaestro, RASHAD etc. So its not like there is a massive pool of people to employ to replace you.
Most people here tinker with the language and have a bit of fun of an evening. A small amount of people will earn a bit of pocket money once in a while from small tools, projects and games. The elite few are probably earning a half decent salary for themselves doing the odd larger project (some in a corporate environment) But you can be certain that they have a lot of skills in other languages and the technical know-how to work around some of PB's limitations.
Don't think that I am saying your idea is bad though... There is nothing wrong with putting PB or any other non-mainstream language in your LinkedIn profile, Just don't make the mistake of thinking a potential Employer/Client is going to care about it. All they care about is making money and being able to maintain/Upgrade/update the software in the future.
Getting the language more mainstream comes down to Fred and Freak at the end of the day... How popular they want the language to be is ultimately their choice.