India is also around 75%. Both of them cover quite a bit of humanity. The regions where growth is going to happen don't own a lot of blocks so they will focus on IPv6.
* https://www.theregister.com/2024/10/14/vietnam_digital_infra...
Because "it's the Internet" and has been a standard since the year 2000 doesn't seem to be sufficient reason to bother...
Even if it's not strictly true, that seems like a solid justification. Though obviously that won't work for the general public.
You can't avoid them because they're not a retail telco, they provide wholesale/bulk services to apartment buildings with 15-year lock in contracts.