Happy to take this one if I've not been clear already.
I do not believe Brewster is good enough right now to come straight into the starting 11, unless there a significant injuries or loss of form, and I think when he does he's going to take a fair time to settle, as did McB.
He certainly hasn't shown over a consistent period that he's a Premier league striker but what he has is huge amounts of potential.
So if we loan him, we're likely to get maybe 3-4 months out of him playing at the level required, after which point he goes back to Liverpool.
If we buy him this season is vital development time because we'll get the benefit next year when he's really pushing to hold down a first team place and is only going to get better.
I just don't believe we should be using our loans to improve players for the big clubs to use or sell, we want to be getting the benefit ourselves, even if that means they have an option to buy them back. At least with that scenario we make money for our efforts.