The Sony APS-C lacks good lenses. Some are soft. Others are heavy. The cameras are quite expensive as well. The Fuji is a much better bet if you are sticking with APS-C. But there is no substitute for full-frame.
I run micro 4/3, and find it fine for my use.
I prioritise portability, which M43 has in body and lens size, and the optical quality is excellent.
I also rarely need full frame f1.4 depth of field, and prefer greater depth of field at a given aperture, so the smaller sensor works well for me.
The Sony APS-C lacks good lenses. Some are soft. Others are heavy. The cameras are quite expensive as well. The Fuji is a much better bet if you are sticking with APS-C. But there is no substitute for full-frame.