It's not that bad. This is an actual technique in use, and it drastically decreases how much storage you need.
The biggest problem has been convincing capitalism to do it. They've been building solar like nuts because that's the cheapest per MW of anything on simple Excel spreadsheets. More mathematical nuance would show that if everyone does this, it's just going to cause overproduction and wasted potential on very sunny days. You need all three, and toss in some hydro and geothermal, as well.
There are cults out there with such a strong grip on the minds of their followers that people will let their children die because of it. As bad as this is, it shouldn't be too shocking that cult members would go along with this.