That should have been an option in Google since the first paywall was put up.

Google even has/had a rule against cloaking (the practice of serving search engines a different version of the page from the one visitors get).

	▲	stldtt 6 hours ago \| parent [-]
		This started with expertsexchange: https://news.ycombinator.com/item?id=3182198 but unlike that stack overflow predecessor that attempted to build itself as a paywalled business, newspapers successfully strongarmed Google, at least in the EU, by arguing against Google monopolistic powers so it's unlikely that Google would dare put them in the shitlist.