“You people” is an inherently unskillful way of communicating to someone.
“Those people” is an inherently unskillful way of communicating about others to someone.
The moment you take yourself out of the equation you distance yourself from understanding and empathy.
A more skillful way of communicating is to eliminate these two phrases from your vernacular and when discussing behavior in others you may not understand use empathy instead. Place yourselves in their shoes and find the commonality of humanity that lives in all of us.