Yes for high concentration of observers, and if high tech civilizations have strong incentives to grab galactic resources as quickly as they can thus preventing the emergence of other high tech civilizations, most civilizations such as ours will exist in universes that have some kind of late great filter to knock down civilizations before they can become spacefaring.
Berezin suggested that if the first civilisation will kill all other civilizations, than we are this first civilisation.
Also, if panspermia is true, the age of civilizations will be similar, and several civilizations could become first almost simultaneously in one galaxy, which creates interesting colonisation dynamics.
Yes for high concentration of observers, and if high tech civilizations have strong incentives to grab galactic resources as quickly as they can thus preventing the emergence of other high tech civilizations, most civilizations such as ours will exist in universes that have some kind of late great filter to knock down civilizations before they can become spacefaring.
Berezin suggested that if the first civilisation will kill all other civilizations, than we are this first civilisation.
Also, if panspermia is true, the age of civilizations will be similar, and several civilizations could become first almost simultaneously in one galaxy, which creates interesting colonisation dynamics.