Not negative, just realistic about what can be achieved in the LTMA!! As a TC controller I would love to have a bit more of the streaming done earlier on and correctly for what will happen at the end, i.e. on the runway. However the AC guys don't have the time nor the huge blocks of airspace within which to achieve this.
There can be some improvements, but not to the extent of cancelling holding in normal day to day operations.
If the UK had huge amounts of airspace to allow for lots of track miles, streaming would be better, but it doesn't.
If we can get Functional Airspace Blocks, whereby the procedures routes etc of surrounding ANSPs etc were all tied up togwether, then it would help... can't see that happening for a while though.