Eight years ago - July 2013 - among the very first threads this SLF/attorney saw here was about Standard RT in the U.S.
In those eight years, while a fair lot of ICAO's official work and some of its unofficial political meanderings have had some relevance for professional work, if there has been any sustained effort to bring the U.S. or any other country into better observance with standardization rules for RT, it hasn't gained much attention. Or any even halfway serious, if also unsustainable, effort either.
Eight years from now.... yeah, if we're lucky.