When a company builds a certification system around its thing, you can be sure that simplicity and ease-of-use has stopped being a problem for them.
There is not a single bit of technology that doesn’t seem overwhelming when you first start looking into it - and that’s from 30+ years of programming either personally or professionally. I know most of the core fiddly bits of AWS like the back of my hand but Azure and GCP are completely incomprehensible to me. But, I also haven’t taken time to learn them.
You don't think there's anything wrong with that, given how they're tackling almost an identical problem?