Even the simplest Minecraft server installation tracks the players. And as for companies, for example in EU there is a law that says any online service must co

Even the simplest Minecraft server installation tracks the players. And as for companies, for example in EU there is a law that says any online service must collect usage logs and store them at least few years, I guess it's the same in the US. Any server you're connecting to and playing on will know when and for how long, and your individual actions will be logged at the very least at the network level. If you don't like it, your only choice is to not play online.