The web is awful as a programming environment. It's popular because it's everywhere, not because it's good.

I think they mean you don't need ruffle if you can just export to web. The programming environment can be anything, but adding ruffle in the middle when it really doesn't need to be there, does indeed feel a bit tacky. Flash used to be necessary to add functions to browsers that were otherwise impossible, but these days you can do anything in a browser.