90% of end users, not 90% of your customers. If your product blocks 10% of end users because it provides wrong geolocation data to your customer, sucks to be them!
https://community.ipinfo.io/t/wrong-geolocation-based-on-ip-...
Our free database is licensed under "CC-BA-SA" (freely distributable but requires attribution) because of accountability. If you use our data as an enterprise or a free open-source project, if there is any issue, you can come to us and talk with us.
It is not even end-users. We maintain open communication policies in general. Even if a streaming service does not use our data, if they come to us, we try our best to help them based on our industry knowledge.
Also the reason most IP information companies don't do this is the obvious risk of false information. I am currently in Somalia via a remote connection via Germany. Actually I'm not, but if I emailed you and said I was, how would you know?