How long will Google be able to index and rank web content

According to Google, the search engine has now indexed more than 30 trillion web pages, and this number continues to grow every minute. So the question is, how relevant are Google's search results today compared to those of 10 to 15 years ago? How much of the content being created is Google currently indexing, and how much is it leaving out because its crawlers and algorithms have exceeded their capacity?

I mean, is it even possible for a single company to index and organize all the web content on the planet when, thanks to new technologies like 5G, the amount of content created continues to grow exponentially?