I’m doubting the author read the whole of Meditations. Maybe read an executive summary from a book club? Marcus exhorted people to be the best they could be in their role in society. To accept the vagaries of life and world around them and focus on self improvement for the benefit of self and society.
Author seems hung up on modern use of the word stoic instead of reading and contemplating on what was actually said, and importantly what was DONE by the early Stoics.
FTR I am not a Stoic - I’m Buddhist.