Reply To: Cholov Yisroel and Gan Eden

Sam: So I take it that when you made your comment several hours ago, without qualification, that HKBH will don folks why he did not enjoy Haagen Daazs, you are holding like the Chazon Ish and not Rav Moshe?

DM: I’ve heard some Rabbonim say that if you can, you should only have CY.

Why do these rabbonim hold that it is preferable to use CY if CS is muttar?