I think there's more than one issue there. Many people are aware that LW's media player is not always reliable for playback. Particularly if LW is overly busy searching, downlding, etc. So I wouldn't judge things by LW's own player. Many people disable LW's media player so when they launch a song, it's played by their default mp3 player.

As for the other points YoMaster suggested, I don't think they've done much if any research about this on the forum let alone this thread. eg: How can one song be say 5 MB in size with a bit-rate of 160 kbps & another offered by T3's that is 5 MB size but 320 kbps. That doesn't make sense if you think about it does it! But when you downld the 320 kbps from the T3 it turns out to run for 30 mins of silence or something sinister like that & the mp3 player showing it having a bit-rate of 32 kbps. You can't tell me that file was in good shape before it was downloaded. It was offered as a corrupt file for sharing for a very deliberate reason. Now who would want to do that.