You should probably remove your rose colored glasses and re-read the info in that link.

"CashFusion does not offer everything Monero does..."

"CashFusion provides a practical solution for privacy without the risk of funds being stolen in the process: they did not find any evidence of malicious intent, flawed logic, or potential backdoor in the codebase."

Can we trust it to not steal our funds? Seemingly so. Can we trust it to avert state surveilance? Possibly, with advanced techniques, but don't bet the farm.