I myself have seen where the dev team and Solana leaders turns down topics on anything being implemented that would make Solana itself less decentralized, so to me based on first hand sight I could not agree with you at all. This is definitely a huge feat being accomplished by Solana.
Solona has achieved extraordinary achievements because it has succeeded in being superior to other cryptocurrencies in terms of transaction speed. They are still successful at the top, however their performance is very good for now, we hope so in the future.