I had the same problem for quite a while and was told it was a peering issue. So while they were not throttling, they somehow messed something up elsewhere and

I had the same problem for quite a while and was told it was a peering issue. So while they were not throttling, they somehow messed something up elsewhere and for months my VPN was significantly faster than an un-VPN'ed connection for some bizarre reason. Proof: https://imgur.com/a/JflXR https://imgur.com/a/JflXR