This is ridiculously ahistorical: the early Bitcoin releases had all kinds of bugs in them[1], and there was a reasonably large enthusiast community looking at it for years before widespread adoption.
The US government doesn't need to burn coal to fund the clandestine services. They just put it in a budget line item whose contents are classified.
[1]: https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposu...