I'm a well documented camera snob w/ phones. I LOVE my Note 4's camera. It's the only reason I haven't gotten rid of the phone... yet. If this camera can produce nearly similar low light photos that the Note 4 can, I will gladly switch. I don't expect it to be identical b/c Sammy leads the pack in smartphone cameras. Moto's features are so useful for my lifestyle though so a camera that's nearly on par will be a good trade off.
It's going to lag behind the Note 4 in low light photos due to no OIS. There's no way around that. But other than that, it looks like it will compare well.