The 3/4-1.5sm -SN is probably one of the more over-stated weather obs by all.
I mean, it can be 1”/hr though too with even decent snow growth at 3/4-1sm. So sometimes hard to fault folks.
I will say if any of us started seeing 1.5sm vis -SN right now we’d say it was ripping out, lol. When you haven’t seen snow in a while, a mile and a half is a steady snowfall.