[remram]

It runs in the browser, for one. Not that it needs to be better than Blender to be interesting.

[throwntoday]

Why on earth would you want to run your 3D modeling software in a browser window?

[danuker]

Loading a page is easier than installing software.

Whether the sacrifices make it worth it, depends on circumstances.

[diceduckmonk]

If it works, it works.

Then, all else being equal, the browser is more convenient.

Also, see Adobe’s acquisition of Figma.