The way that's written, "funnel fresh sources of funding to investors", appears to me to be alleging something that sounds like a pyramid scheme or a Ponzi scheme.
The filing (1) claims they are a Bing Search and Ads reseller that invests almost nothing into their actual search engine, and instead repays investors with every new funding round.
(1) From page 137: https://regmedia.co.uk/2024/02/26/us_v_google.pdf