That’s an amazingly modern take.
It's coherent with modernity because we have are in a time where that mindset is popular, and since there are only a few alternatives, we are prone into cycling between them at random and revisit each one from time to time.
Eventually, it will pass, and it will become old and unfit again.
Does anyone know of an accounting of the primary text which shows that it wasn't written by a monk or priest of the Catholic church?
The Inner Citadel by Hadot is a great analysis of the Meditations. It explains extracts from the Meditations – such as references to certain people in Marcus's life – with facts we know about Marcus from other sources.
For me personally... While it could be an elaborate imitation, it would raise the question why Marcus espouses views that don't necessarily tie with Christian doctrine. Obviously something about the Meditations appealed to Christians of the time, but if they were inventing it whole cloth, they probably wouldn't have included only one reference to Christianity, which is arguably negative. (Book 2, chp3)
If you find a good modern translation (Robin Hard is good), I emphatically recommend reading the discourses. Don't cheap out and suffer through some stuffy 19th century translation.