Well, yes, that is part of it, in many cases. If a film maker(s) has as priority that in their own mind, is more important than making a good film, that is part of the issue, if not the primary cause.
what is a "good" film is 100% in the eye of the beholder. You have this notion in your head that if you did not like a film, then it was not a good film.
I disagree. I might note that every newpaper or network that pays film critics to review films, seems to disagree with you too.
Hell, HOLLYWOOD itself gives itself awards on which films are "Good", so, they seem to disagree with you too.