Lets not forget that once upon a time, less than 10 years ago, CWL had a huge Orlando following. 1x 767, 1x A330 through the season and 1x 747 during the height of the season. At a guess that would be about 1100 seats a week.
I fully agree with TLY, the cruise market has always done well from CWL, but it wouldn't surprise me if we start to see this shift to BRS. CWL still maintains it's P&O flights which only a few years ago P&O reduced to the main UK bases, only to realise that CWL had a big following and the flights were quickly reintroduced. Now the 787 is proven at BRS it wouldn't surprise me if P&O offer both BRS and CWL flights to widen and simplify it's following.
I would expect the next step for TOM at BRS would potentially be a weekly MBJ, maybe even a second weekly CUN or SFB.