Well, yes, I don’t have any issues with the connector pins being labelled 1-3 left-to-right, but rather the fact that (if I’m not missing anything obvious), a standard “PC chassis fan” would have (left-to-right) Pin1=-, Pin2=+, Pin3=Tacho, and not 1=Tacho, 2=+, 3=- as it currently is in KiCads Fan_3pin/Fan_PC_Chassis symbol.
(I can of course work around this issue by simply assigning the Tacho net to - and GND to Tacho, but to be honest, that looks quite 'orrible.)