Saying that, Stacks Team have provided a lots of funding in past few years to bitcoin core developers and lightning developers via grants. So Stacks deserves some merit.

Also, Here’s good article explaining the technical perspective by Sergio Lerner:

https://medium.com/iovlabs-innovation-stories/a-review-of-the-stacks-blockchain-from-a-rsk-perspective-9e3361970f34