The barrier of entry has been on the floor ever since Steam discontinued Greenlight and started just allowing everyone on the platform. But at the same time they invested a lot in better content discovery: personalized recommendations, the discovery queue, curators you can follow, etc.

If you're building the next rehash-of-popular-concept, this asset generator at best saves you a couple minutes shopping the Unity Asset Store, and selecting the right store-bought texture in blender. But it will raise the bar of what's possible with new, innovative settings, which I'm really looking forward to.