Also Doxx is a pretty bad name for a VPN, since "dox" means to publicly identify someone or publish their private information.
This is just some VC that got tricked by the "we're addressing this market with cap X, and NO ONE ELSE IS USING AI WEEEeeEEE"
This can only go one of two ways: Adding bloat and therefore latency in the best case, or agents leaking all your shit because you were sending unencrypted data over VPN "because VPN".
In the very best of cases, it's still under US jurisdiction. There is no such thing as a US no-log VPN because when hit with legally binding demands, the company must either allow for monitoring from the time of the demand without notifying the user or simply shutter their business.
That's all it takes; a single court order requiring that company create logs or allowing an agency to create their own logs.
If your threat model includes the US as a potential state actor, no US vpn service can protect you after you've garnered the attention of the US.