Cogent and Hurricane Electric, the upstream providers of 31% and 17% of networks on the internet respectfully.

The reason as an end user you can access both sides of the spit is because network engineers for end user/eyeball networks will buy transit from both.

I’m sorry but how is cogents shitty business model somehow the fault of ipv6? Peering disputes happen on ipv4 as well

I think HE's been begging to peer to Cogent for years now. I've even seen cakes posted online.