Remember: (Attempt at a Villanelle: )

[Leanne]

Ahem... I think you mean "remember"

Not all poets write good verse.
The egotist is shite--
Poetasters are accursed;

fair poetry needs no hearse.
most angst reflects as trite; (capital m)
not all poets write good verse.

Friendly pats cannot coerce,
a corpse to better write;
Poetasters are accursed.

Critics should never wet nurse (try "never should wet nurse" to keep the meter)
the cutter in their plight.
Not all poets write good verse,

To falsely feed is adverse,
Show them with second sight.
Poetasters are accursed;

better not to be perverse (comma at the end?)
don’t let them think there bright. (they're)
Not all poets write good verse,
Poetasters are accursed.

It took me a bit to get into the alternating rhythms but it does actually work well for the most part. And naturally I'm not going to disagree with you on the sentiment