I suspect it is about headlines. They have even taken out a google ad on the search "tesla top gear" pointing to teslavstopgear.co.uk

However, the review is clearly heavily scripted (do Teslas really just run out of power and then require pushing down the road?). In the UK, the powers-that-be at the BBC have recently taken a dim view of this sort of constructed TV posing as reality (after "Socksgate" and "Sachsgate", an explanation of which is probably beyond the scope of this discussion...).