This isn’t about us. This is about revenue. There will be no significant difference in quality unless you are using high-end wired headphone. This is like charging a person for 4k when they have a 1080p TV. I will most likely move on. I need to clear it with my girl. 

Are you two located in the U.S. perhaps? That would mean Deezer introduced the higher priced Premium tier including HiFi also in your country now, and the old expensive HiFi tier does not exist anymore.