They don't mean the words literally. As you point out, there's no consistent and clear definition. What the ml5.js license actually means is that the creators w

They don't mean the words literally. As you point out, there's no consistent and clear definition. What the ml5.js license actually means is that the creators will harass --- at first socially, then maybe legally --- members of their political outgroup who use their software. It's not conduct they're prohibiting, but aid and comfort to the enemy tribe.