Like, as far as legal basis? Yes, as I understand it — but I am not a lawyer.

But if you’re hoping to leverage an LLM… Part of the reason they’re so good at producing replacements for e.g. react is that the source code for react is in the training data, along with test suites and a ton of commentary related to the source code.

So you’d be at a big disadvantage. That’s on top of the basic legibility challenges of decompiled binaries.