Yeah, that's life. Some fraction of your audience will flip their shit if you allow too large a summary (calling it "stealing the work of hard-working human writers" or something) and some other fraction of your audience will flip their shit if you don't restrict it.
So you have to see what restrictions hit a sufficient market without you getting in trouble for "reproducing exactly what this copyrighted content is" or whatever.
Sure, they'll lose your respect, but they've got massive adoption. You're not the audience and it's probably good to qualify you out. I'm sure there'll be a Wizard-Vicuna-Mistral-Edition-13B you can use instead.
This is something that many people on HN don't understand about running a business. Some customers it's important to qualify out. Supporting them would cost too much in legal risk, support cost, or cost to upsell. So yes, you'll never use a product that you don't respect and yes, I'm sure you'll never buy a product that says "Request Quote" but they don't want your money so all is well.