Google has now totally disabled the Google Cache from completely working. Earlier this year, Google removed the cache link from the search result snippets. Then a couple of weeks ago, added links to the Wayback Machine. Now, the direct link to see the Google Cache has been fully disabled.
It’s unclear if Google is donating anything (It would honestly surprise me if they didn’t) but at least archive.org is happy about this feature and they call it an collaboration: https://blog.archive.org/2024/09/11/new-feature-alert-access-archived-webpages-directly-through-google-search/