Because 12 years ago the World Health Organization published a preliminary study regarding cell phone radiation (not WiFi or Bluetooth which are non-ionizing radiation) which looked into the relationship between it and brain cancer. They added a second preliminary study a few years later. The internet picked up on it and decided it meant that cell phones do cause cancer, it was then broadly spread around the world by a variety of sources. After that governments, starting with EU countries, decided they had to protect their citizens from all being brain cancer ravaged zombies (or sterile males, added in the second study) and decide to set a limit for radiation. So they had a committee meeting, pulled a number out of thin air and pretty much all the other major countries copied that limit. So Samsung, to alleviate the fears of their customers, came up with what you already discovered. Samsung didn't really care about the limit, nor did they know whether it was a problem or not, they just didn't want to lose customers particularly in Asia where there was more concern.
But after the WHO published their preliminary findings other research groups and scientists around the world tried to replicate their findings. The scientific method at work. And they could not replicate the issue and saw no link. So the WHO went back and looked again and they backed off their original findings. So we are left with a SAR value that has nothing scientific or medical behind it that no one can show in any way will result in any tissue damage to the brain or to a man's swimmers. But I will almost guarantee you neither the EU nor any other agency will change their SAR values.
Apple never did buy into all this and always is just a notch below the SAR.
It is a good thing to tell people to listen to their body but pain, cysts, rashes, burns, etc. on your body do not tell you what is causing it. And simple tests like turning off LTE on a Watch is a very poor diagnostic test. I asked you what your doctor said caused your cyst, you never answered. Also, the only time your Watch actually uses LTE is when you are not connected to your iPhone or a trusted WiFi network. How many hours does that happen daily for you. And it is a much lower exposure on the Watch than on your phone.
