STM://RCUK proposal dilutes the case for OA publishing

The RCUK issued its open access (OA) publishing policy as regards to scientific research. It supports availability in repositories "as rapidly as is practical".

I believe this is not good for the OA cause. There is confusion enough as it is, with some publishers and grant giving institutions supporting OA journals (authors pay), and others stopping at demanding OA archiving (self-archiving in acknowledged repositories). The timing of the latter however still hasn't been worked out: what does "as rapidly as is practical" mean? Should it concern preliminary versions (not yet peer-reviewed)? And then there is the question of which repository should be recommended and how all these could be joined.
At the same time, OA journals struggle to reach profitability.

Publishers like Reed Elsevier will only profit from this unclarity. There is however the possibility of EU regulation.