I posted pictures somewhere on this forum for comparison if you want to search for it.
British RTW makers do it at 8 spi using fully automated machines.
Saint Crispins does it at 8 spi using hand cranked machines.
Vass does it at 6 spi by hand.
Machine stitching is not as durable due to the lock stitches used.
Bespoke depends shoe type and customer request; casual/country shoes have less stitching while dress and demo pieces could go higher.