Whether it is voodoo or not doesn't prevent government from using it to associate you with transactions.
https://www.wired.com/story/bitcoin-fog-roman-sterlingov-blockchain-analysis/
https://www.torekeland.com/roman-sterlingov/
It also doesn't prevent any counter party you transact with from snooping.
https://github.com/jlopp/physical-bitcoin-attacks/blob/master/README.md
Why even risk all these things?
Your IP address can be gathered by using remote nodes. And the consequences of this are much more severe than on Monero.