Make an account, subscribe intentionally, set your default view to “Subscribed” instead of “All” or “Instance”. Then your original account is still there if and when you’re ready to go back. Or just do this on your main account if you prefer.
There’s no algorithm pushing content on Lemmy, it’s how you choose to set your view and what you choose to subscribe to.
Hmm, not familiar with the connection. I stumbled across it while roaming Wikipedia. Origins are unknown possible from “Samiel”, the name of the Devil in some opera. Or Sam Hill, a man in the 1800s known for using such foul language that his own name became a swear. Imagine that. While most strive to leave their mark on the world by leaving something good behind or raising good kids or helping someone in a life-changing way or whatever, he left behind his own name as a swear.