You are looking at the right things. And Liquid was designed with those in mind.

In addition, Liquid's Confidential Transactions blinds transaction amounts and asset types, making distinguishing what on-chain output(s) to censor nearly impossible, unlike other blockchains like Ethereum.

https://blog.liquid.net/the-truth-about-liquid

How does Liquid keep my transaction data confidential?

https://help.blockstream.com/hc/en-us/articles/900001390743-How-does-Liquid-keep-my-transaction-data-confidential-