The same demonstrative can signal special attention or instead mockery and contempt. Shared wording does not make the rhetorical purpose identical.
ContextLikely effect
Honoring or focused attentionMakes the subject prominent and weighty
Reproach or ridiculeExpresses contempt or sarcastic emphasis
An astonishing occurrencePresents the surprising matter vividly
The basic demonstrative meaning remains, while the rhetorical coloring is supplied by the circumstances and preceding utterance.