"A speculative wish-list of future features at a price that doesn't exist today."
The listed '3,000-nit peak brightness' represents a theoretical display capability for extreme, temporary highlights in HDR content, not the sustained brightness you would use for normal viewing, especially indoors.
No one. This product listing describes a hypothetical device that is not available for purchase from Google or any authorized retailer. Attempting to purchase this would likely result in receiving a different item or nothing at all.
Anyone looking for a real, purchasable smartphone should disregard this listing. It represents a future concept or a fraudulent listing, not a tangible product available for sale.