Internet search is a form of RAG, though. 10M tokens is very impressive, but you're not fitting a database, let alone the entire internet into a prompt anytime soon.
btw, 10M tokens is 78 times more context window than the newest GPT-4-turbo (128K). In a way, you don't need 78 GPT-4 API calls, only one batch call to Gemini 1.5.
People also seem to forget that the average is 1b words that are read by people in their entire LIFETIME, and at 10m, with nearly 100% recall thats pretty damn amazing, i'm pretty sure I don't have perfect recall of 10m words myself lol
It can also be a good alternative for fine-tuning.
And the use case of a code base is a good example: if the ai understands the whole context, it can do basically everything.
Let me pay 5€ for a android app rewritten into iOS.