I think he thinks it dries out the lube maybe…
He’s using two bearings at the same time though.
Its not all about spin times you know… :-[
I assume we are talking about YYJ Thin Lube here, in which case the lube has most def dried out after a month, even if properly stored. Lubricants for bearings (since they’re not carbon based) will stop doing their job after time alone, regardless of lack of use. I am sure it’s being played on a dry bearing; plus what the rest said: Throws get better over time.