When I first started in the hobby is was a case of chucking in a piece of shrimp and a couple of chromis. When you actually think about it it is quite a barbaric method when you think the rest of the tanks life we are trying to make it as good as we can for them.
Personally I have set up a few tanks now since about 2010 with ATM colony and I wouldn't do it any other way, but its up to the individual i guess. It definitely speeds up the process.
This was my last tank below, not the best by any stretch but it was after only 4 months of being set up. Some rock was transferred from my previous tank along with some of the coral, but an additional 20kg or so was added fresh along with new water and sand. Incidentally the nem went in the first week. I'm not saying its the right way, but in my experience it does the job
<iframe width="560" height="315" src="
" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>https://youtu.be/SwzDIXOL5rQ