Installation destroys system

[IceflowRE]

$ sudo ./configure.sh install
fatal: not a git repository (or any of the parent directories): .git
./configure.sh: 6: /usr/bin/tor-ctrl: not found
install: cannot open '/usr/bin/GET' for reading: No such file or directory
install: cannot open '/usr/bin/HEAD' for reading: No such file or directory
install: cannot open '/usr/bin/POST' for reading: No such file or directory
install: cannot open '/usr/bin/X' for reading: No such file or directory
install: '/usr/bin/Xephyr' and '/usr/bin/Xephyr' are the same file
install: '/usr/bin/Xorg' and '/usr/bin/Xorg' are the same file
install: '/usr/bin/Xwayland' and '/usr/bin/Xwayland' are the same file
install: '/usr/bin/[' and '/usr/bin/[' are the same file
install: '/usr/bin/aa-enabled' and '/usr/bin/aa-enabled' are the same file
[ TRUNCATED ]
install: '/usr/bin/zipsplit' and '/usr/bin/zipsplit' are the same file
install: '/usr/bin/zjsdecode' and '/usr/bin/zjsdecode' are the same file
install: '/usr/bin/zless' and '/usr/bin/zless' are the same file
install: '/usr/bin/zmore' and '/usr/bin/zmore' are the same file
install: '/usr/bin/znew' and '/usr/bin/znew' are the same file
install: '/usr/bin/zstd' and '/usr/bin/zstd' are the same file
install: cannot open '/usr/bin/zstdcat' for reading: No such file or directory
install: '/usr/bin/zstdgrep' and '/usr/bin/zstdgrep' are the same file
install: '/usr/bin/zstdless' and '/usr/bin/zstdless' are the same file
install: cannot open '/usr/bin/zstdmt' for reading: No such file or directory

It basically deletes links (and files?) from /usr/bin.

Some basic links are not available after it like /usr/bin/sh or /usr/bin/python3. The originals are still available like /usr/bin/python3.13.

No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 25.04
Release: 25.04
Codename: plucky

I downloaded the zip and ran the command above.