Adobe Reader MUI - x64 - Extraction bug + not actually MUI

I spent some time downloading and testing the Adobe Reader MUI - x64 edition.  There are several problems with it:

• You cannot run anything but an unattended/silent installation, as the installer has a bug which prevents file extraction.  Running a silent install works.

[2022-09-09 10:05:03] Extracting files from Archive: C:\ProgramData\Adobe\Temp\7182\installer.bin
[2022-09-09 10:05:03] Extract Files ERROR_MEM
[2022-09-09 10:05:03] GetLastError(): 183 - Cannot create a file when that file already exists.
[2022-09-09 10:05:03] ** Setting Error Condition: 150201

• If you manage to install it, it's not actually installing a MUI version, it's English only, even though the EXE and embedded MSP are both branded as MUI packages.

Has anyone at Adobe even tested this?  I'll have to stay with the x86 version for now.  I can work around the extraction bug, but the MUI package not having the MUI is ... just strange.  It's clear nobody has even tried this and that some automated build system is just churning these out, cause this goes back a long time.