"You should consider selecting a server with a low population"

[Mickymoo-black-dragonflight]

@Kraggy-shandris

Blizzard haven’t said,

@Kaivax

If there are high numbers of players congregating on individual realms during name reservation and character creation, we will post warnings about the potential for queues on those realms, giving you time to choose alternate realms.

Emphasis mine.