n0mesorah,
“The mitziyus (That we went back and forth on.) is irrelevant to Rav Moshe’s psak on Brooklyn. I don’t know what you see here. Why would 2.5M be different than almost 3M? And my point was that Rav Dovid knew this claim and wasn’t fazed by it. He thought 2.5M to be accurate. Why didn’t anyone convince Rav Dovid of this?”
It is very relevant. Anything less than 3 million would only fall into Rav Moshe’s prohibition because of his geziera. Rav Moshe basically said so in this same teshuvah. Rav Dovid said 3 million is the number in Chicago and in Los Angeles. What Rav Dovid meant by, “there are over 2.5 million people living in Flatbush and its environs.” is extremely unclear. The fact is, Flatbush and its environs, does not follow any shita of Rav Moshe (unless he meant that the tzuras hapesach is encompassing 2.5 million, which is incorrect), and so I do not understand Rav Dovid’s statements at all.
“I expect that in a number of years the claim will be that Rav Dovid was also mislead. I know personally that he knew that Rv Moshe wasn’t misled.”
And I know personally that he was being vague.