Show HN: React WebGL component: 45 3D formats viewer.Should I industrialize it?
rufus31415.github.io
rufus31415.github.io
Huge kudos to the team for getting bought by Microsoft. Yes I'd use it again on another very small "show a model but don't need any serious gameplay" project but I'd be very scared of anything where I was intending to invest more than a tiny amount of coding time in the project because the architectural and implementation failings will balloon your coding time dangerously.
The big advantage of Unity is the speed of development, the huge community, tons of free resources, an active forum and very powerful features. I don't know enough about other engine, so I cannot help you for choosing