Weird, seems like glow is a global setting, thought it'd be only adhere to that emissive mask. Dunno why everything would be a red glow however. It seems set up and working correctly in your original post, but just no glow/bloom.
The opacity map drives the color, the "glow" drives the intensity/power of the emissive. If you tint the glow to any color, it'd disrupt what you have in your emissive texture of course. And yeah, so change the shader for opacity to be translucent instead of masked, or cutout (forget which one is on default). Or if you…