أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
My short answer for that is that the PMBOK is not the holy book, and the PMI/PMP thing is not cast in concrete.
This thing (like many other things) evolves and improves over time, and these changes are necessary to push the improvement process.
Regarding the "STAKEHOLDERS" , I remember I have flagged this thing out since PMBOK3rd edition that STAKEHOLDERS need to be separated and dealt with on exceptional basis for2 reasons
Hopefully this answer sheds some light on the question !!