"By the time Intel's bods wake up in America, the deal will likely be done here in the UK, so they'll miss out."
Not really - the shareholders have to decide in the end and could easily be open to a bigger offer. It's the board's job to get the best value for the owners.
On the other hand it would be great pity if this company was damaged in any way. I see Softbank are suggesting doubling the (UK) workforce.