Yeh, I'm well aware of what Cloudinary does and I've used it with clients. I've also used CDNs and CMSs to achieve the same thing including invalidating images

Yeh, I'm well aware of what Cloudinary does and I've used it with clients. I've also used CDNs and CMSs to achieve the same thing including invalidating images in CDN caches when they change Given the choice I'd always go for a solution that uses one of the good three CDNs combined with a CMS that can invalidated edge content