Good for people wanting to learn something random who don't need a "proper" qualification. Are the certificates actually worth anything? No. Does that mean the courses are pointless? It depends what you are looking for. The courses vary in quality. Some contain mistakes and frankly I wish I hadn't bothered and some have extremely dubious topics (but those are obvious upfront). There are however definitely some that contain really good material and are worthwhile if you want something relatively simple and easy to dip in and out of. There's no way I'd pay full price for the courses, but with the deals and discounts they aren't too bad. Do not expect a qualifcation at the end that anyone will take seriously though!