I agree the whole think is impressive, but unless I'm wrong this hasn't been done anywhere else? We can't be sure that the whole system isn't going to be without hitches or teething problems???
We are adding more variables that "could" go wrong, whether it's the mechanics of rolling the pitch out, or lifting the sidelines to the correct level, not to mention keeping the grass to a high standard... it would be niave to ignore the increased risk.
The technology is in use at Ascot
https://www.google.co.uk/url?q=http...ggLMAA&usg=AFQjCNETLcKPwTDylwyfm6fFP2ZFOURvOg