I think this could be a very bad move, as most receiving devices like TVs, DVDs, VCRs and any with an analog tuner will cease to work! At least in respect in recording TV broadcasts.
I know the new ones will probably have them built-in, but most are not, most TV recording devices still use analog tuners!
I have one Sky decoder, and one Freeview receiver, this means from the several TV programs available, I can record only 2 that clash if shown at the same time?
For the 3rd program I'd have to watch it or get another Freeview receiver, or most likely miss it.
With many different viewing tastes, most retire to their own TV to watch what they wish to see. At peak viewing times I see a lot of problems arising.
I would think it would be reasonable to ask the general public first before doing this. There are a lot of TV sets that are going to be of no use in a few years, at least not without another digital tunning device attached.
I see no reason why such an amazingly better service (Digital Broadcast) needs to be pushed. As it is so good it should be adopted quickly, and there is no need to force it down our throat.
Either way you don't push, as that is rude.