If you haven't seen this before it's worth a watch.
Andreas explains why Big Blocks are not going to work. (watch time: 5-6mins, Petabyte Blocks & Streaming Money)
https://youtu.be/AecPrwqjbGw?t=11m39she is talking about how big block sizes would make bitcoin centralized (because he knows how Computing technologie would develop in the next 10 years ofc.)
Even if so: LN is by design centralized.
So whats that argument even about?
I think your assertion that LN is centralized needs proof, Jonald. To the extent LN becomes a distributed network with nodes that handle different amounts of traffic we could arguably move in the direction of less centralization but there are two points worth making.
Early days. The protocol can be extended to improve it's distribution.
High speed, low fee payments, Improved privacy, cross atomic swaps, deferred settlements, all outweigh the small amount of centralization, imo.