Because of being a centralized service, ChipMixer's, Whirlwind's and Sinbad.io's downfall was no surprise.
How about Samourai wallet Whirlpool? Both Samourai wallet and its Whirlpool has been taken down also just like Chipmixer and Sinbad. But it is better than sending a coin to a more centralized service like Whirlpool which is completely an exist scam. Whirlwind was not taken down by the government or regulators like