Given how they characterise GPTs in general as custom versions of chatGPT (https://openai.com/blog/introducing-gpts https://openai.com/blog/introducing-gpts), I

Given how they characterise GPTs in general as custom versions of chatGPT (https://openai.com/blog/introducing-gpts https://openai.com/blog/introducing-gpts), I don't think it's a stretch to assume they're not being very benevolent in this trademark attempt. You should also be asking for evidence that they are acting in good faith, if you're interested in determining their actual motivations.