I remember the big "is decreasing Devcon attendence an indicator of decreasing popularity of Visual Foxpro." It was classic Black v. Petersen. Circa 2000/2001, every major VFP trend starting going downward....and then by around 2003 it was very clear. Not a value judgement, just fact.
Yes, John was quite vocal about stating that, though I can't recall him stating it pre-emptively....it was usually in response to statements that he felt ignored the trend.