That's just a function of the lenses being used. The distance is 34 metres, you could see very well into the flats.
I've been on the viewing platform, you had a very good view into the rather nice looking flats. Most people who came on the platform spent a good chunk of time staring at those flats, because they happen to be one of the more interesting things to view from the platform.
You might be surprised to find out how few people on the very progressive r/london subreddit were upset by this supreme court decision, probably because they were actually familiar with the situation: https://www.reddit.com/r/london/comments/10qqey4/flat_owners...