On the other hand, a reputable VPN provider has everything to lose if word got out that they collect or sell information.
The privacy calculus is: 100% chance vs some small chance.
Is just collecting where people are going that lucrative to sell?
Also, in many places (Europa) there is collection and retention requirements for ISPs.
For example, they could pretty trivially assert with high confidence that a pregnant woman is in your home or that you’re shopping for a car. The tinfoil hat scenarios are interesting as well.
Really only valid for individual company adversaries though, depends on your threat model I guess.
Edit: it’s sad that I need a threat model
DE-CIX is a known SIGINT collection site.