Sarcasm doesn't work like it used to.
My point
Wikipedia is an "encyclopedia anyone can edit".
Google aims to "index all the world's information".
These are different but complementary goals.
That the Wikimedia Foundation hasn't improved a user interface that was slapped together in the early 2000s is not somehow a mathematical, universal constraint on the growth of the subjects that are covered. It just isn't.
I am prepared to bet honest folding money that almost nobody uses the internal mechanisms of search and navigation that Wikipedia provides. Apart from clicking an in-text link referring to another subject, I am prepared to bet that traffic to Wikipedia is dominated by search engine referrals by at least one order of magnitude. Probably two.
Google so dominates the actual usage of Wikipedia that it is ridiculous to advance the poor UI of the Wikipedia platform as some kind of serious argument in favour of deletionism.
It'd be like walking into a library circa 1950 and saying "All these index cards are a schlep, let's start throwing away books".
You'd be committed to a loony bin. And now we have unlimited search and retrieval capability and you suppose that a poor interface is the killer blow for deletionism?
I believe I am having a Mugatu Moment here.