Autotracking v 19 micron head on VCR

Did 19 micron heads obviate the need for auto tracking on VCRs?

I just perused a Sony SLV-N50 manual, and the answer is no.

I just thought, did it make SLP look better?  Yes, according to the description for the Sony SLV-N700, that's exactly what it's for
  • 19-micron heads ensure clear quality in EP (extended-play) recordings