Ipv4 is simpler and therefore easier for my brain to comprehend.
I deliberately disable IPv6 on all the devices on my home network because it’s really f**n annoying when some service tries to bind to localhost but picks up the IPv6 localhost instead of the IPv4 one
Yeah, if I remember correctly the first version of the matrix was a utopia and it failed because humans need something to fight / compete over in order to stay motivated