I’m reminded of this article. There are very rarely placebo surgeries done, so it is an entire arm of medicine that is running wild without proper controls being done.

https://www.skepdoc.info/ian-harris-on-surgery-the-ultimate-...

If you’ve had a lobotomy surgery, you have a huge tendency to believe it maybe did something positive. An interesting study would have been just tell people that they had a lobotomy. If I had to guess, I bet the success rate would be much higher that actual lobotomy.