To start, I find strange that other students were hired to work in his/her thesis. I doubt even that this is allowed in some countries.
Focusing in minor tasks to be completed in a different working environment could help, but without specific details about the case and the specific knowledge area, we can't know if the author is beating a dead horse or not.
"I tried X medication" and "I went to therapy" are two big red flags to me. He seems to be looking for a magic solution or somebody else that does the hard work. This is not how thesis work
Focusing in minor tasks to be completed in a different working environment could help, but without specific details about the case and the specific knowledge area, we can't know if the author is beating a dead horse or not.
"I tried X medication" and "I went to therapy" are two big red flags to me. He seems to be looking for a magic solution or somebody else that does the hard work. This is not how thesis work