Good discussion from 2016, I think it was Canadian surgeons that made the recommendation and there's at least a couple of comments where people have talked about real-world experiences with bristles.
https://news.ycombinator.com/item?id=12409425
I think this exactly article was already discussed here: https://news.ycombinator.com/item?id=12409425
There were some good tips on how to avoid the brushes for once.
Good discussion from 2016, I think it was Canadian surgeons that made the recommendation and there's at least a couple of comments where people have talked about real-world experiences with bristles.
https://news.ycombinator.com/item?id=12409425