They are both useful. Monero is a bit more tricky to use, there is no concept of Lightning network, you still have to wait around 7 minutes for the transaction to settle. It's not bad, but it is different. The transparency in Bitcoin is a feature not a bug.
CIA uses Bitcoin for intelligence gathering: https://cryptobriefing.com/cia-bitcoin-intelligence-gatherin...
Really? Did we IT people decide giving up privacy for security is a good idea?