So here's the deal, it all comes down to your statistics, You need to satisfy your customers , maintain your reputation and serve yourself as well, so if the "customers" that are complaining are around 1 - 2 % of your whole base , its fine to consider the quota : Customer is always right, because one Bad opinion spreads around. now that's speaking as a small startup for something regular , when it comes to revolutionary ideas , No no and No, you give the customer what to expect to be right, they don't know, and even if they knew they'd just complain about most of the things anyway