A lot of trust they don't keep a map from hash->id behind the scenes though for data they already have.
Hell, a YT ID is 11 characters in a base64 character set. While a lot of possibilities, I do think the entire domain can be precomputed for some amount of costs.
Hell, a YT ID is 11 characters in a base64 character set. While a lot of possibilities, I do think the entire domain can be precomputed for some amount of costs.