At least it's easier to deploy IPv6 for consumers, which then passes thru the benefit of keeping costs down for that huge portion of the market that is more price-sensitive than businesses and governments.
An article of IPv6 adoption progress (note that dual TCP/IP stacks are used in many cases, so it's not a matter yet of IPv6 full replacing IPv4 but just bringing interoperability up to par and provide a sort of future-proofing). https://blogs.cisco.com/government/ipv6-in-2025-where-are-we