I once worked for a large industrial group in Europe. The kind that has a bit of a piece of every little pie there is - military, transportation, etc. I was pretty happy working there .. until I got a demo from the 'defence' group. They demonstrated the willingness to push the company's technology into heinous, heinous territory. The kind of thing where a drone would be able to follow a single person in a crowd, and…
>and sell them to any country in the world This is never true. No government will allow its companies (and in this context that's how it's seen) to sell weapons to countries they don't approve of. That said, apparently the defense industry is often irresponsible at best.
What the poster meant was "just about any country" in the world. Which we've seen happen time and time again - the restrictions may be nominally in place (for a while), but eventually they get selectively lifted, and/or the companies find a way to circumvent them.
At times (and not at all surprisingly) with the assistance of certain government agencies chartered with the purpose of not only enacting precisely this kind of subterfuge - but perfecting it as an art.