The only direct quotes from Rav Moshe ( NY Times May 5, 1975) in the article are, as you’d indicated:
You can’t wake up in the morning and decide you’re an expert on answers. If people see that one answer is good, and another answer is good, gradually you will be accepted.
http://mi.yodeya.com/questions/5553/reb-moshe-feinstein-in-the-new-york-times
I think the same applies to Reb Yechskel R Shlita