Why does Sir Henry say so? That ‘the whole neighborhood seems to have watched!’ How does he feel about what happened in the moor? (Chapter 7 – 9)

The moors are a large place. It would seem that a person could have a private moment without fear of being watched, but Sir. Henry's attempt to woo the young woman seems to have been similar to a moment on stage.

‘You would have thought the middle of that prairie a fairly safe place for a man to be private,’ said he, ‘but, by thunder, the whole country-side seems to have been out to see me do my wooing—and a mighty poor wooing at that! Where had you engaged a seat?’

Sir Henry's response was to inquire if Holmes had gotten the impression the brother was crazy.

‘Did he ever strike you as being crazy—this brother of hers?