Pro photographers can be proper arses, especially if you have a half decent camera. They will go out of their way to obstuct your view of anything half decent, the turds
The only exception to this I have ever had with motorsport was at the British GT Championship, they are happy to let you get in and take pics there and will even wait for you without growling. Even on the grid walk.
It's a great result for the JPP Team, they have come an awful long way in a year