I'm not going to comment until I try it.
With any technology like this, the proof is in the pudding and if it works, it works.
It needs to be out in the wild for a few weeks before I really take any reviews all that seriously.
Although, that being said, if Apple introduced ButtID, people would be singing its praises because it's Apple.
Incidentally, I hold similar levels of distain for some Google and Samsung fanbois' and fangurls' opinions on questionable designs.
These are consumer products, not religious cults.
If they work, and I enjoy using them, I'll use them. If not, I'm off elsewhere.