summitus: Just curious , why don't you like it?
AB2012: One of the main goals to preserving older games over the longer run is to minimise the number of intermediate software dependencies. To a lot of people, "needing" a client does the opposite and adds another loop in the chain. At the moment that "extra loop" (Galaxy) is optional, however the fear for many is if GOG stopped providing offline installers and if Galaxy became as compulsory as Steam (ie, the actual install process was online-only in future via only one method (Galaxy)), then in the event anything happened to GOG, "DRM-free" becomes pretty meaningless if you can't actually access your games to install via a client that tries to download from a shutdown server with no option of being able to reinstall from an offline installer backed up onto a local HDD)...
A lot of people don't "hate" Galaxy, (and hopefully GOG will be around for a LONG time to come), they just place more value on keeping a local offline installer copy for better preservation of being able to re-install them 100% offline DRM-free, (and not just play them DRM-free whilst still being reliant on an online server for a 2nd, 3rd, etc, reinstall) whilst not really caring about achievements, cloud saves, etc.
This is so well-put and worded so much better than my post was. +1