You're missing the forest for the trees. These two systems do not allow for even remotely the same levels of abuse.
It's not possible to use Ring for mass surveillance with as little effort as Flock supports.
> No single Flock camera can do that
What does that matter? Flock allows government agencies to enter a license plate number and find all instances of that vehicle across all participating customers. This is not technically possible with Ring.
> this can be used to track people
Prove it. Find one example. I can find hundreds of examples for Flock.
Both articles you linked to prove my point - access to footage was accessed by government agencies with consent from users, in which case a warrant was not needed. Read more than the misleading headlines and you would have figured that out for yourself, god forbid you let facts get in away of your bias. There were an small number of incidents in which Ring used an emergency situation to share 11 instances of footage without a warrant, which isn't even worth talking about since they've since closed that hole.
> Amazon is not a company to trust.
This has nothing to do with trusting Amazon and everything to do with false equivalence.