User blog comment:MisterWoodhouse/Social Activity, the 2010 Editor, and Unpausing Migrations/@comment-7891699-20201013171535/@comment-39885705-20201014205720

It should still be an option for admins who want to use it, as long as they are informed that it will make such pages hard for Google-spiders to crawl.

It is very, very useful for categories of images to have the thumbnails at a visible size.