Next up, our researchers investigate the properties of water. #3 is surprising.

Indeed. That's such a surprise! Every time.

There are also weak algorithms and weak key lengths which have been open-sourced and meet various countries export requirements. If export laws require radios to be sold with weak encryption it doesn't really matter whether the code is shared or not. When institutions buy COTS products, they almost always use it as is, especially when interoperability depends on it.