MorahRach,
I happen to agree that pointing out a silly grammatical mistake is disruptive to a thread, (and I think, although I could be mistaken, that the comments regarding the grammar of your OP were meant to highlight this) and could be hurtful if the thread is about a sensitive issue, or if the object of the correction is sensitive.
It’s interesting that you were not referring to the specific poster whose grammatical correction you objected to in a recent thread.
Mazel tov on the baby, have much nachas, and enjoy the trest of your summer as well.