We both assumed, so I didn't expect to need to back up my thoughts, but their own website ticks the "for humans" trope checkbox: Their "purpose is the responsible development and maintenance of advanced AI for the long-term benefit of humanity."

I acknowledge and appreciate Anthropic's addition to the corpus of scraped data, but that data (both input and output) is still ultimately from others; if it did not exist, there would be no product. This is very different from a video editing tool, which I purchase or lease with the understanding that I will provide my own content, or maybe use licensed footage for B-roll