But how many of the earlier societies had thousands of years of experience to look back to? Wouldn't you say in a society where we're capable of talking to anyone anywhere in the world at any moment we'd be able to at least try and solve these problems?

We've solved so many problems that afflicted humanity for thousands of years in the past 200 years. So why not this one? I guess because, as the article says, to solve this problem we actually need to change society as a whole.