How would you feel if tomorrow the design team or the cofounders came to you and asked you to change the backend storage for your service from Postgres to Cassa

How would you feel if tomorrow the design team or the cofounders came to you and asked you to change the backend storage for your service from Postgres to Cassandra (I don't know what you use, just using this as an example). And when you ask them why, they refuse to offer a good reason other than "they find Postgres distasteful". You cannot expect domain experts to change things on the product just because of your subjective reaction. Your options are either: * Present some empirical data that backs up your argument (eg usability studies, publicly available literature) or * Accept that you are not a ui expert and live with it.