i wish i could cite my source- heard that years ago and tucked it away. i love the concept in theory, struggle in practice and shy from using it colloquially since it could be seen as lacking empathy to their struggle.
Radical acceptance does not mean condoning or minimizing X. Instead, it is a conscious choice to "let go of the exhausting struggle against reality and redirect one's energy towards taking proactive steps to protect oneself and reclaim personal power."