github's Original Sin. we could have so much more software training data if they just defaulted (defaulted! you can opt out instead of opt in) to an oss license. so much software is meant to be open source but pple just forgot/didnt bother/didnt know to slap a license on it
I disagree with opting people into a license, because the choice of _which_ license is a very personal and important choice. Defaulting to a very permissive license would make folks think that more restrictive (but user-benefitting) licenses like the GPL are Bad ™ when they're not, whereas defaulting to a GPL flavour would make a load of things more restrictive than they may want to be. The only person who can make that decision is the author.
However, I think one thing GitHub / other source forges can do is make it _clearer_ when no license is present and that it defaults to All-Rights-Reserved
