Ah, the good old BSPA there coming up with a flat-out ban, when streaming the odd race here and there might catch the imagination of potential new fans, or tempt back old ones. I go to watch a lot of bands and, with the exception of one or two 'big' acts, I've yet to see any musicians making similar threats to fans filming or streaming their performances. Polite requests to enjoy the moment rather than thinking of YouTubing songs, yes, but nothing like the BSPA who are so stuck in the past and heavy-handed it's laughable.
Currently amusing myself by imagining a large prearranged group of fans from one track all turning up and filming a meeting - see if the threat of a stadium ban still stands if it would mean there were no paying customers left at the track...