PCB does NOT mean bad construction methods.
Soldano, Suhr, Bogner, '73 to '84 Marshalls, THD, VHT..
The list goes on... yes PTP construction has a difference to the resistance in the circuit but this same phenominon can be recreated with a bit of clever voicing of the amp.
PCB is better for mass production as it's perfect in recreation everytime, but can be just as well built as PTP in terms of reliablility.
PTP is great for the small scale builder on a mission to find tonal nirvana, coz he can change anything instantly without having to re-draw a PCB design.