I agree, the six-saddle bridges just don't sound right.
Well keep in mind that Keef and the Boss don't really go for 'twang' as much as people around here think of it. Bruce especially goes for a rock Tele tone.I used to have the individual saddl bridge on my AM Dlx tele I recently put a glendale bridge with brass saddles on and the thing came to life twang all day and sound just jumps out of the guitar now, clear and more responsive.
though it seems Keef and the Boss like the six saddle bridge...I guess its a YMMV thing?