I think you'll find people like that, regardless. At the end of the day, people get frustrated when they pay money for something that doesn't work. Plus, postin

I think you'll find people like that, regardless. At the end of the day, people get frustrated when they pay money for something that doesn't work. Plus, posting in a forum can feel like shouting at a wall rather than talking to a person, especially if you're not used to posting in forums. If you're patient enough with angry customers, they can become some of the most adamant supporters of your product.