Exactly the same happened to me. It just feels so natural. I run basically every single command with the Atuin up key. It is faster then typing it all again and again. Atuin is what the history search in terminal should have always been.
Nevertheless, there is the one hidden advantage of this approach: You learn new things while trying to automate everything. Remember, that it is the journey that is important, not the destination ;)
I know about Trilium, but never had the incentive to try it out. Maybe I will spare some time now to have a look and investigate. The sheer number of features is astonishing. Thank you for reminding me about Trilium again.
An instance can block federation with another instance (an instance admin must do this on the instance server), but for you as a user of an instance, you cannot block the whole server. What I did is exactly what you describe. This way, I have only the content I am interested in my post feed. It takes a while, but it serves the purpose.
While I disagree with you, this made me chuckle. A great joke. Wish you all the best.