[vdupras]

I'm not sure, but what I've read is that there's a loss of grain associated with using the scythe on wheat when it falls on the ground. Maybe it's a concern in some areas.

But I think that with a proper apparel such as the one we see in the video on the website, the fall can be made gentler while still keeping the significant efficiency gain that the scythe offers over the sickle.