It keeps the zkSNACKS company from knowing your IP, and makes it more difficult for your Internet Provider to know if you downloaded Wasabi. Also together with tjhe signature check it prevents a potential man-in-the-middle attack, where the file you download is malware from a fake version of wasabiwallet.io.
Basically making Zerolink mixing even private thus making your bitcoin sending more private
It keeps the zkSNACKS company from knowing your IP, and makes it more difficult for your Internet Provider to know if you downloaded Wasabi. Also together with tjhe signature check it prevents a potential man-in-the-middle attack, where the file you download is malware from a fake version of wasabiwallet.io.