throgh: Ah of course: Instead of looking at the technical background it seems you are using relativization here. There is a defined way of the installation especially under Windows. Talking about others? There is the possibility for creating a backup. But everytime you should look for example at entries within the registry? Making a backup does not always help and it is harmful ignoring that without knowing what configuration is needed or done.
There will always be a technical challenge, as there is a technical challenge within creating the installers themselves to handle this. As I said GOG has already stated they were looking into adding install scripts for games that need them (this was stated way back in alpha). so essentially you could in theory zip the game files up and move them to another computer without Galaxy and run the install script creating the needed registry entries, etc. to play.
throgh: Again: No. With the installer downloaded you can decide when, where and how you want to install. That's the business of the user and not of any client deciding! If you choose that for yourself? Okay, but let everybody else having a choice and stop trying to do a snow job for this "optional" client.
The user tells the client what to do, so really the user is still in complete control of these things. If you can essentially create your own installer that is independent of Galaxy then how is that ability taken away from you? Regardless this has little do do with your point of Galaxy being DRM, this doesn't change that point. This seems to come down to "I oppose Galaxy in any form, even if it can essentially give me the same exact benefits as the site installers" and would make managing games from GOG's side (ie on back end) easier... which is fine if your honest about it.
Anyway, you seem to be missing my point on this. I'm not advocating for getting rid of standalone installers. I'm just pointing out that regardless if GOG offers them or not, it has no real bearing on GOG being a DRM free storefront.
throgh: Again: There is a difference, because there is no choice furthermore and this delivery-method is just another snow job for DRM. Now you only need the browser for a download, that's it. The rest? Your own decision without any third-party software. And of course: You have a choice. And it is interesting: Nonsense? Oh yes, every different opinion than yours is that?
I'm sorry, but lack of options =/= DRM. Galaxy is not third party, you are buying from GOG... and Galaxy is a GOG creation therefor not third party. Even GOG's installers are created in-house from what I am aware, even they are a GOG creation.
It's fine to have different opinions by the way, we probably share the opinion that more options are a good thing. You just kind of missing the point of what I posted. But it is not an opinion that games files themselves (the thing that will contain the actual DRM) are the same regardless of delivery method, this is fact unless you know of a direct case were a game was different on Galaxy compared to on the site, so to yes to call Galaxy DRM in that context is nonsense.