The method is using a full node, and most definitely a pain to sync the 150Gb that you’ll need for that. But the time investment and patience needed is worth it for the sake of privacy for sure. Of course, you will run errors until full sync is complete.
I first tried the method you link to, but couldn’t get it to float in 4.1. I used this one with a tweak you’ll find here.
I can get you copy and paste notes to make it clear. I’ll create a post on it and link you. I meant to do just that once I had it done, but got distracted.
Do you have the space for that? You ready for something like this?