I'm an engineer, filmmaker, and DiT researcher. I know thousands of people in this community and organize local AI film meetups and festivals. I've talked with decision makers from 100 person marketing firms all the way up to Disney execs and the CTO of Pixar.
You don't know.
Midjourney might have tons of revenue for being the first mover, but they're busy building VR headsets and generative world models for their metaverse thing.
Meanwhile everyone who is using these models for work - ie, making money with these tools - is clamoring for local execution and deep controllability. Midjourney won't give them that.
The top AI studios are all building on Comfy.
Don't write off Topaz, either. It's the last stage in the pipeline for everyone's workflow.