Why do people choose to NOT use the auto-router?

[Piotr]

@linuxdev.io

Do people really route by hand, and if so why?

Yes and here is why:

Which Freerouting are people using?

More than 15 years ago our worker used autorouter (Protel) to make one PCB. He got 100% routed so was happy and ordered that PCB and it didn’t worked. One digital signal line had 1cm and the clock for it more thean 25cm (around the whole PCB). It was the first and the last time we used autorouter.