Anecdotally, my friend who's just starting out teaching high school physics has used ChatGPT to generate worksheet questions with mixed results, having to throw out the majority of what it generates, but still saving time overall
At my university there was a "Free Speech Club" that put on a panel of eugenicists and alt-right people who advocate for fascist actions. While the amount of noise Nazis make is disproportionate to their population, it doesn't take that many people to create a social change, for better or worse.
For instance - in Photoshop, one can add an adjustment layer on a picture that alters the saturation and color balance of that image. One can then copy that layer for use later, or edit that layer on the fly if one decides it's not right. Or delete it entirely, much later in the editing process.
looks more like 10% [0]. but it depends on where in the ocean you're talking about - they float more easily than a lot of plastic, and so are caught the pacific gyre.