To Joseph and others who excel at hocking achainik with sources and more sources. You seem to have studiously avoided mention of the Mishna. Now, particularly in Tahoros and Zeraim, the Mishna comments on all matter of mundane objects from bagpipes to the kitchen sink, b’ivrit curiously enough. This would not have made any sense if it was not a living spoken language. along with PJA, the dialect of the Yerushalmi.
As to MH, it is as holy or profane as those who speak it. Tragically, in EY there are the signs of it splitting into two languages, that spoken by our misguided estranged brothers is not the same as that spoken by the Torah communities, not just in choice of words, but in meanings and nuances of words used common to both. Borcheinu avinu kulanu byachad.