> It is completely unrealistic to make a scraper that doesn't run JavaScript and wait for the page to "settle down" because so many pages, even blogs, are just entirely client-side rendered SPAs.

I specifically want a search engine that does not run JavaScript, so that it only finds documents that do not require JavaScripts to display the text being searched. (This is not the same as excluding everything that has JavaScripts; some web pages use JavaScripts but can still display the text even without it.)

> Meanwhile Anubis is absolutely blocking plenty of real humans, with the author for example telling people to turn on cookies so that Anubis can do its job [4]. I don't think Anubis is blocking anything other than humans and Message's link preview generator.

These are some of the legitimiate problems with Anubis (and this is not the only way that you can be blocked by Anubis). Cloudflare can have similar problems, although its working is a bit different so it is not exactly the same working.