Note that 'bits' are a lot easier to move from one place to another than hardware. If invented at 9 am it could be on the other side of the globe before you're back from your coffee break at 9:15. This is not at all like almost all other trade secrets and industrial gear, it's software. Leaks are pretty much inevitable and once it is shown that it can be done it will be done in other places as well.
That said, any given government may be thinking like Zuckerberg[0] or senator Blumenthal[1], so perhaps these governments are just flag-waving what they think is an investment opportunity without any real understanding…
[0] general lack of vision, thinking of "superintelligence" in terms of what can be done with/by the Star Trek TNG era computer, rather than other fictional references such as a Culture Mind or whatever: https://archive.ph/ZZF3y
[1] "I alluded, in my opening remarks, to the jobs issue, the economic effects on employment. I think you have said, in fact, and I'm going to quote, ``Development of superhuman machine intelligence is probably the greatest threat to the continued existence of humanity,'' end quote. You may have had in mind the effect on jobs, which is really my biggest nightmare, in the long term." - https://www.govinfo.gov/content/pkg/CHRG-118shrg52706/html/C...
China did the same thing when their tech-bros got too big for their boots.
