The most common and most likely answer to this crossword clue is the 4 letter word THEY
T
H
E
Y
Buddy explains!
The straight part
We know that "Those people" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case those people = they.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does THEY mean?
THEY pronoun- (the third-person plural) A group of people, animals, plants or objects previously mentioned.
- (the third-person singular, sometimes proscribed) A single person, previously mentioned, especially if of unknown or non-binary gender, but typically not if previously named and identified as male or female.
- (indefinite pronoun, vague meaning) People; some people; people in general; someone, excluding the speaker.
- There (especially as an expletive subject of be).