You can if you want to, but it isn't strengthening your case.
The Internet is available to you. These other countries would have been all over the Internet, telling us how the U.S. faked the moon landing, or any other topic our country could be "lying" to us about.
Unfortunately, too many people are more apt to believe the quacks who post idiotic "debunking" videos, with no evidence whatsoever. All they have is uneducated opinions that act as confirmation bias to people who want to believe they're being deceived by the elites, or want to appear smarter than everyone else by getting in on the ground floor of whatever conspiracy theory they can find.
Flat Earthers for example always demand proof the Earth is a globe, but when shown hundreds of photos, all they can do is claim they're fake...yet they can't come up with a single shred of evidence, or even a theoretically working model of a flat Earth.