Destiny 2 on PC can enforce a hardware ban that survives a new Bungie login. The computer is refused, which is the HWID case this spoofer is for.
The PC client reads device identifiers at launch and checks them against stored bans. A matching hardware ID is what keeps the machine out.
The Destiny 2 spoofer presents a different hardware profile from that PC, so the stored HWID no longer matches.