This argument doesn't make any sense. How is making publications that costs lots of money available to everyone "making it easier for what is already a niche crowd to remain a niche crowd"?
Your issue seems to be that there are problems with teaching people properly, but that's not making things worse for those who work outside academia - if anything, it's making it easier!
Your issue seems to be that there are problems with teaching people properly, but that's not making things worse for those who work outside academia - if anything, it's making it easier!