The company's root are of a gamedev (Over the Edge Entertainment) and recycled their in-house engine as a product. Godot Engine has similar roots (look up OKAM Studio)

> The most popular game engine ever is developed by a company that doesn't make games.

So? They have the feedback from thousands of games and game developers so they focus on alleviating the pain points.

If you don't have feedback, you may as well not bother.

Ship your Rust game, then you know what the pain points are. Until you ship, you're guessing.

Mostly because it is the only available option if one wants C# instead of C++ with great tooling, asset store and official backing from platform owners.

None of Rust libraries is even close of getting there, even the studios that apparently support Rust, are shipping on Unreal.