why does msi need uncanny .msi record ensue an uninstall?

as many substantially noticed, uninstalling an msi package windows ask uncanny .msi file. since that?

i wholly disadvantages that:

• not volatile network changes.


• not volatile internal hoop changes.


• unexpected users.


• typically requires users leave table start agitate repremand cd.


• kind proves installations self-contained.


• promotes unprotected collection such msizap.


• which spin promotes "next i'll only zip file" mentality.

could someone broadcast light this?