Why is only the "best" audio track reviewed?

[krylonman]

The reviews here are generally pretty nicely done, but one thing keeps irking me--only the most elaborate, highest-bitrate soundtrack on a BD release is ever evaluated and described. This makes sense if it's a newer film that has always been at least 5.1 channels, but if a movie was originally mixed in mono, stereo or surround, and the original track is included, it's ignored if there's also a 5.1 lossless/uncompressed remix on the BD.

From the new review of Akira:

The default Japanese language track is presented in Dolby TrueHD 5.1 surround sound. There are also Japanese tracks in Linear PCM 2.0 and Dolby Digital 5.1, but I only spent a brief time with these inferior tracks.

I can understand skipping over the Dolby Digital track, but what about the PCM? It's presumably the movie's original sound mix, and in an unusual move it's even uncompressed, but apparently it's not worth talking about. Same deal with the even newer review of Raging Bull: the movie's original Dolby Surround mix isn't even mentioned, just the 5.1 DTS-HD MA track. I haven't read every single review here, but I can't remember seeing one that did otherwise.

So...what's up with that?