How is Dryden's Mac Flecknoe a mock-heroic poem?

Dryden was the greatest master of his time in the art of
the mock-heroic poem. These follow the form of classical heroic poems written by early
masters, specifically by Homer as Illiad and
Odyssey are the standards from which mock-heroics are constructed:
The elements remain the same though they are employed to mock with satire and parody
rather than to praise.

The form, in imitation of the heroic standard,
begins with a tribute to the Muse inspiring the poet to write. In Dryden’s mocks, the
muse may be the human who inspired him to wax satirical, like Carlyle for The
Rape of the Lock. However, for Mac Flecknoe, Dryden's
inspiration seems to have been the contemplation of
"Fate":

All
humane things are subject to decay,
And, when Fate summons, Monarchs must
obey:

In mock-heroics, other
formulaic standards are followed, such as the ritual dressing for battle, processions of
valor, calling upon the aid of gods, and victory celebrations. In
Flecknoe, the ritual dressing, such as Achilles (Homer) and Belinda
(Dryden) were privileged to, seems to have been substituted by a ritual
undressing as Flecknoe's successor to "Emperor of ... Prose and
Verse" has his demerits categorized and satirized:

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Sh—— alone, of all my Sons, is he
Who
stands confirm'd in full
stupidity.

In imitation of
Homer, Dryden includes references to Greek gods and mythology as in his reference to
Arion, the mythological Greek poet who was borne across seas by dolphins. Dryden
concludes his mock-heroic with a celebratory calling of the Homeric-like champion to
arms where Flecknoe passes the mantle and departs--actually, in a Biblical allusion to
Elijah, he departs and then the mantle falls upon
Sh---.

And
down they sent the yet declaiming Bard.
Sinking he left his Drugget robe
behind,
Born upwards by a subterranean wind. [215]
The Mantle fell
to the young Prophet's part,
With double portion of his Father's
Art.