I'm not a developer, but I've had a very similar experience. It sounds like Mr. X is just trying to minimize the amount of work he has to do. Usually in these

I'm not a developer, but I've had a very similar experience. It sounds like Mr. X is just trying to minimize the amount of work he has to do. Usually in these circumstances experience wins, especially if you want to have a personal life. Don't stop suggesting change though, just get used to the idea that only your best ideas will make it through.