- Ex-Wasabi Dev
- No defense against sybil attacks
- No ddos protection
- Worse anon sets
- Worse entropy
- Worse UI/UX
- No spend tools
- Fractured crowd
- IP exposure
- Only decentralized as nostr relays
-  not a zerolink protocol 

Therefore whirlpool is superior 
And what does joinstr solve its not a zerolink protocol and they are no postmix tools.