If the descentralization of social networks continue, we will have to prepare for the eventual rise of the instances wars, where people will start to fight about which instance is better and which one is weird to be in and so on, but that's for the future of us all.
No joke. During my interview for a bell company my email came up for whatever reason and thier response was "oh! You use Gmail!". Like I was hired on the spot because of it. It was very strange.