The mocking refusal to even consider the existence of yetis from a team who have respected and worked with the cultural and religious beliefs of every other country they have been to is prejudice bordering on racism.
They come within a hair's breadth of outright telling the Nepali Official that he and his people are stupid for believing in such a ridiculous story. As if there's no possible way these people could have any idea what wildlife they have in their own country.
Mae even goes as far as reclassifying the yeti as "supernatural" when confronted with a logic, scientifically based argument.
When Agent Clara Seger is talking to the monk at the monastery, she never introduces herself. However, as she is leaving, the monk addresses her by name, saying, "Namaste, Miss Seger."
Agent Seger picks up the strings in the cave with her bare hand. Any member of law enforcement would know to use gloves to avoid contamination and preserve evidence.
Jack jumps to the conclusion that Yogi Pemba changing his name means he has a criminal background. This is an nonsensical assumption considering how little business Yogi Dave would have got teaching yoga in Nepal.