The cat and mouse game happens at every level, not just the DOM/browser-detection level.
That said if you try to scale this up beyond what a reasonable, normal user world do in one sitting, you are bound to stand out.
Although that said, I find that I trigger such rate-limiting mechanisms already as a human just when searching Google as a human being and clicking through every last search result page.
Recap [1] does this to extract PACER court documents that are public domain, but access is restricted due to draconian public policy.
Sure, but that's easily mitigated by running multiple scrapers as different users.. You don't need to get all the data from a single scrape.
As someone who routinely works behind proxies, I can sympathize strongly with this statement:
"The one thing that I was really trying to get across in writing that is that blocking site visitors based on browser fingerprinting is an extremely user-hostile practice."