Well, I'm not trying to convince you of anything, however, you can convince me if you'd like. Do you have some substantiating evidence or documentation for such claims? I am aware of improvements to AES256 down through the years, and I am aware of side channel and timing attacks. Not to be discounted, but those are largely theoretical attacks. In addition, most modern computers have mitigated the possibilities of such attacks with hardware instructions for AES to protect against timing-related side-channel attacks.

The NSA reviewed all the AES finalists, including Rijndael, and reported that all of them were secure enough for U.S. Government non-classified data. However, in June 2003, the U.S. Government announced that AES could be used to protect classified information. Now you could conspiriaze that in 2003, the govt played dumb and said that AES was good enough for classified information when they knew they could blow through it like weak toilet paper, but then again, we (America) are not the only country on the planet despite what some people think, and I am quite certain that other governments have made certain their encryption techniques are 99.999% secure for classified documentation and data.