I understand this is an issue, and quite a serious one at that, but how do we solve it for users? As a web dev, we have to assume that the user is decently prep

I understand this is an issue, and quite a serious one at that, but how do we solve it for users? As a web dev, we have to assume that the user is decently prepared to use their browser of choice and once on our page "learn" our interface controls, right?