You're entirely on point. This loses touch with the platform; one wouldn't use Material design in an iOS app and expect as much success as a more native experience, and vice versa; the same works for the web. It's a different platform with different goals and expectations.

Also, hey everyone, before you downvote the parent, please recall this article that you voted so highly just a few weeks ago, and consider its implications on building a web ui on top of canvas: https://news.ycombinator.com/item?id=8965048