Sure, “the reason it doesn’t work better is because we need better donors” sounds like a nice excuse. But it is at least suggestive that this is indeed the case. The better the donor criteria, the better the study outcomes. If we extrapolate this to even higher criteria…
Btw. poor donors are not the only (avoidable!) reason FMTs often show poor results. See the post.
Sure, “the reason it doesn’t work better is because we need better donors” sounds like a nice excuse. But it is at least suggestive that this is indeed the case. The better the donor criteria, the better the study outcomes. If we extrapolate this to even higher criteria…
Btw. poor donors are not the only (avoidable!) reason FMTs often show poor results. See the post.