Strangely enough, so am I! Strange, because I am no audiophile. It's just that the onboard sound stopped working, so I bought a soundcard to workaround.

Once the file has been encoded as an MP3, some of the audio data has been lost, and can't be recovered without the original audio data. Re-encoding it as FLAC is not going to somehow magically bring back the lost audio data.

In order to be able to have a truly lossless encoding, you need the original uncompressed audio, or a lossless encoding of such audio.

I note that the loss of quality might not be noticeable, but if you start re-encoding the same audio through multiple lossy codecs (like MP3 -> AAC -> OGG Vorbis -> OGG Opus, for example), quality is lost with each encoding, and it will start to be noticeable after a while. It's like making copies of copies of copies (etc.) of cassette tapes (remember those?).

I didn't say FLAC magically brings back lost audio data, I'm saying it's a lossless representation of it's source, whatever that source might be.
I can even think of a scenario where an MP3 can be of better quality than a wav file.

But can you think of a situation where the MP3 has better quality than the WAV file that it came from?

Sure, but in that case it's highly subjective. The MP3 file can be a remastered version of the WAV file.
It depends what you mean by "quality" - if it means "as identical as possible", then... no, of course not, it's inherently impossible.

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I would like to see FLAC versions of the mp3 provided with a soundtrack. Personally, I find the FLAC version more desirable, as I find it quite easy to convert to other formats myself, so the key is that the provided format is lossless. But if this only means that GOG (or someone else) is going to convert mp3 files into FLAC, then I consider it utterly pointless; such files are a waste of space and false advertisement, as far as I'm concerned.

Bah, MightyPinecone just stated what I wanted to say.

I should point out that this happened without an account.

Dead Cells is one of the titles, for which I completely dismissed the soundtrack DLC, when I saw that it was mp3 only. FLAC, now you have my interest. Voted, though I doubt GOG would ever complete that wish, since there will always be new releases, and all it takes is one to mess it up.

You'd be surprised how many deaf morons claim they can't tell the difference between FLAC and MP3.

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Hey, it is not like I can really hear the difference on the remaining laptop speaker... Should be called squeaker by the way.

Something that really grinds my gears. I won't name the game developer/composer who did this to a soundtrack I'd purchased, but it's a really crappy move to make (while I can respect it to an extent, I don't have to like it). The thing that was really galling in my instance was that I called the person out on it and they had the nerve to say "Sorry! You can always buy the vinyl!".