Why does it matter if it's 200 subdomains, or just one packet with all the relevant info sent on the same connection that's downloading the videos? This is onl

Why does it matter if it's 200 subdomains, or just one packet with all the relevant info sent on the same connection that's downloading the videos? This is only weak evidence of privacy breach, and strong evidence of sloppy programming. Domain names are things like "api", "sdk", "cdn".