Whenever I hear arguments for or against something structured like this, I'm immediately skeptical. You see this with people promoting vegan diets. It's better for the environment, and healthier, and meat is gross and gives you ED, and... Sure maybe all those things are true, but what are the odds the author doesn't just have a point of view that he's trying to sell desperately.
Product market fit obviously exists. In my experience, I was at a startup and we had pretty much no sales or usage for about 9 months. Then we pivoted and pretty much overnight we had a few users and 100k ARR within a month or two. Does this mean it would succeed or we couldn't fumble and lose it? Of course not, but that's obvious.
PMF a useful framework to think about your product and question the value proposition you're offering. Take feedback from the market. If no one is using the product, its possible the market has no need for your product.