Question: He observed that this system had been effective largely because physicians had seen patients recover.
Patient recovery has not been evident in the observations of the system.

Answer: no

Question: ) In other words, it functions as a polite observation naturally terminating the transaction.
it functions as a polite observation.

Answer: yes

Question: And the world of coffee came to an end, because now there is coffee-flavored liquid-like synflex.
Synflex is healthier than coffee.

Answer:
it is not possible to tell