Because legacy hardware still exists. Many shops and enthusiasts maintain older Macs:
...DiskMaker 7.0.1 remains a gem. It is , but functional abandonware. Expect no future updates. For macOS Sonoma and Sequoia, look to createinstallmedia or commercial tools like Install Disk Creator . diskmaker 7.0.1
A common troubleshooting error with version 7.0.1 occurs if a user tries to use the small "stub" installer (~19-22 MB) downloaded from the App Store instead of the full operating system installer (~5.2 GB). DiskMaker X requires the complete file to function correctly. Project Status: Because legacy hardware still exists
If you manage multiple Macs in a remote location with slow Wi-Fi, DiskMaker 7.0.1 lets you install or reinstall macOS without re-downloading 5GB+ per machine. Expect no future updates
A recurring concern among users is whether older utilities like DiskMaker 7.0.1 contain security vulnerabilities. Because the software interacts directly with disk partitions and requires root privileges, it is a potential vector for malware.