Great question — answering as the UphillTech team:
It may come to a surprise for you, but the anime you typically watch is not what is considered mainstream in its country of origin, unless of course you watch shows made for children and families. In fact, most of the anime that the international community consumes are what is called "late night anime." The overall ratings on these TV series are so low that the average Japanese person is likely never to have seen them. In other words, they are very niche. To compensate for low rating and viewership, these types of anime typically make money from Blu-ray, DVD, and other merchandise sales. Since viewership is low, the budget for creating anime is pretty low as well. It's been mentioned by...
Full answer by кяαzєя: https://anime.stackexchange.com/a/31769 (CC BY-SA 3.0).
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