Film festivals YES or NO?

We have started our festival tour this year and found out that not all film festivals are there to help filmmakers. Some are only established by posers, who failed as filmmakers and use the festival cover to scam others of their money, while raising money for their next project. I have finally decided, that I will cover our experiences in a blog so you can see, which festivals worked for us, and which are a waste.
Looking forward to hear your feedback as well. Let’s make this blog a helping tool and collaborate together on festival advice. The best and worst of all should be reviewed here, so filmmakers know where to invest their submission $.