Personally, it used to do great and it wasn't much of a big deal. But with the rest of the world improving, a lot of other easier platforms emerged. I've since moved over all clients to self hosted sites.
In terms of SEO, you can edit the meta details of your pages so that's there. I just didn't like the url structure and it feels old to me (more of a personal preference) so I felt it was better to move out early rather than wait longer.
