[Tepix]

Only if you haven‘t dealt with licenses. This software was published without a license.

[justin66]

It's a wonder the software's authors, users, and distributors have evaded dire legal consequences all these decades.

[kragen]

It's a ticking time bomb that distributors are steering clear of for good reason. You are correct that current copyright law is pretty silly, but that silly law is frequently enforced by serious courts.