Yes, you're right – achieving true decentralization with a new service such as Ark may require examining the role of always-on servers and how to incentivize peers to provide liquidity over extended periods without it.
Covenant Malleability Prevention is an important advantage because it gives flexibility while also ensuring that these services can be deployed on Bitcoin natively using multi-sig contracts.
The idea of pool transactions featuring blinded mark-ups every five seconds very similarly resembles lightning; this points to increased interoperability between existing Bitcoin scales solutions which is very positive news for fostering great innovations down the line. It would be fascinatingto examine in practice what this will mean in detail.
All in all, it's both exciting and groundbreaking just how much innovation is happening nowadays throughout the cryptocurrency space with smart multisig solutions like this seriously pushing the limits!