I searched manually through the threads, and this is definately a collaboration of several posts, but I haven't seen it outlined this way before. Definately seems useful for all-nighters, or getting clicker resource gathering to work in epic instances and such again.
Use the wall walk bug to dodge aggro, and you can collect resources from that spot. The mobs will spawn, but they won't attack you. They will still interrupt you, but you can just cycle through your clicker or what not and still be able to resource gather while they 'watch'.
Here's a few screenshots.