Because the developers of services that deal with increasing privacy and anonymity going to be arrested. The authorities have decided to label the developers as money launderers, although they are aware that this is pure nonsense so by arresting them they are trying to discourage the further development of this segment.
Unijoin, Tengri, and Tumbler are examples of the method working.
I figure that the only way you are going to get something in this space through is by developing it under a pseudonym, like how Satoshi did with Bitcoin.
They can't catch the real money launderers so they have decided to just classify all developers and IT workers involved in financial software (oops, I mean
crypto software) as money launderers, criminals, and such. It fits with their narrative that cryptocurrencies are only used for crime unless it's an exchange or other big business using it.