Why does Primal wallet ask for personal info?

It isn't enough for KYC so what is it for?

nostr:nprofile1qyx8wumn8ghj7cnjvghxjmcpz4mhxue69uhk2er9dchxummnw3ezumrpdejqqgzn9kpsmllqnsf7wh5tz3wgy4cclsftqqplv8tpayrhwgw8llunevgnmdf3 nostr:nprofile1qy88wumn8ghj7mn0wvhxcmmv9uq36amnwvaz7tmwdaehgu3wvf5hgcm0d9hx2u3wwdhkx6tpdshsqgxkruautvltgsqwlkhxz6d9c972hueyddg5xcw7jwwwfgdqmfh0fgtc0xaw

It says it won't be shared publicly, but who is it shared with and how is it stored?