I used them mostly in the past but unfortunately today, most of my coins on my portfolio now are available/listed on exchanges which has larger volumes compare to decentralized ones. What's my view on them? Generally we all have the same obvious answer here because in the first place that's how trading cryptocurrency "should" work.

What's my recommendation for you? Honestly you can pick any of them. It's just that, you will now based on your own preferences on which of those decentralized exchanges will be fitted to your criteria.