We know the accessible structure is at least 3 rows wide, looking at the picture where I've drawn the outline, if we call these rows A,B,C and D. B can probably lean forward and see, definitely when standing. C and D have their sightlines interrupted and that's pretty obvious when anyone who's ever sat at a stadium knows someone with a large hat in front can block out some of the closest areas of the pitch.
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This might be ok when they stand up, like others have said they might not use these seats for paying customers. But they chose to stick seats there, which would create a restricted view for these closest to the platform.
Here is another showing a wheelchair user on it, which will further block the view when looking across to the NW corner and of course it will need some kind of glass fencing to stop people just falling off, which will add further issues to the view.
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