You really should read the article and not just the title...
Here is a quote:
Before getting into the rights that companies might have against lenders who hold certain convertible notes and warrants, it is important to explain how these notes and warrants may lead a retail investor to believe “counterfeit shares” flood the market.
He basically acknowledges that some retail investors think this...but is explaining what is actually going on.
Which is why he uses "counterfeit shares" in "quotes" in the article.