Opinions on Liquid Crypto Exchange?

I've been looking at Liquid's exchange for quite some time now, they seem to have very useful features and good offers such as their Earn program and also their free 10 SAND promo right now and they do offer a relatively decent range of different types of coins and tokens.

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However, I don't see many people talk about it, at least not as in-depth as compared to other CEXs. So for those who've used Liquid, what's your experience like using it? What do you like and hate about it? How's their fee structure? And how does it compare to other CEXs like FTX, Gemini and CDC?