I don't think you understand the size of the US capital market. We are talking probably ~150 trillion.
It's easy as fuck for Google to raise this money because they are a money printing business. They are the most profitable company in the world, so for anyone this is basically the same as buying US debt.
> We are talking probably ~150 trillion.
Yes, but we are talking about liquidity not valuations...
Believe it or not there is actually a shortage of assets and an excess of money. That's in part why valuations are so bonkers.
This is equities + bonds which are pretty liquid assets.