The best free AI courses (and whether AI 'micro-degrees' and certificates are worth it) - David Gewirtz, ZDnet

So, do certificates have any value? Yes, but how much value they have depends on your prospective employer's perspective. A certificate says you completed some course of study successfully. That might be something of value to you, as well. You can set a goal to learn a topic, and if you get a credential, you can be fairly confident you achieved some learning. Accredited degrees, by contrast, are an assurance that you not only learned the material, but did so according to some level of standard and rigor common to other accredited institutions.

https://www.zdnet.com/article/the-best-free-ai-courses/