Just wondering. It seems to me they both work the same way with the same result. Warm solution is mixed with plant material, then filtered out. I read this question posed before with no answer, so I guess I'm bringing it up again. I think it would be fascinating if there actually something about THP method that makes it more effective than a french press.
All of my post in these forums are part of a purely fictional, dialogue driven story, a work in progress written in an ongoing basis in collaboration with other forum members. I ask all who are interested to please use your imagination to contribute to this creative process.