F225 oil seal question

[rodbolt17]

I have seen some ex stack asssy fail in 350 hrs, I have seen some last and still going with over 2300 hrs.

[boscoe99]

OK
point, match.

or, alternatively,

the very essence of the word "disingenuous"

Disingenuous on who's part? My part of or Yamaha's part?

Given the definition of the word I don't understand. Explain please.

dis·in·gen·u·ous
ˌdisənˈjenyo͞oəs/
adjective
not candid or sincere, typically by pretending that one knows less about something than one really does.
synonyms: insincere, dishonest, untruthful, false, deceitful, duplicitous, lying, mendacious; hypocritical

Were you personally affected by an F200/F225/F250 mid-section corrosion issue? If so, what happened? What were the circumstances? Are you here in the USA or outside of this country?