So why not say that. The message just says "we are looking at how to resolve this" which implies they are looking now to do something soon not some nebulous time in the future.
because they will be looking at how to resolve it and haven't decided which option best suits their business needs/cost predictions
The have three real options:
1) Do some bodge job to get plugs then do the work again later at refurb
2) Wait till full refurb.
3) Do nothing
I am sure they are getting quotes and looking at the cost and the impact on services, how they mitigate the loss, timescales etc. You also have to consider that there has to be works space to accept the train. The plugs wont appear overnight even assuming internal layout ( wiring etc) is the same on EMT HST carriages as EC train carriages. They wont want two different systems installed on their fleet as it means buying spares for one train at higher cost.
or it is vast lie to fob people off, you decide.