who are vs they

Some examples from the web:

• 500 million people who are extraordinarily good at something.
• Those who are converted stay that way.
• I'm going with the guys who are getting creamed.
• People who are better off pay for those who are worse off.
• Educating young consumers who are particularly active online is crucial.
• Call people who are in taxis.
• To them who are here in the room, to those who are watching on television, your government failed you.
• Let us learn who are our allies and who are our enemies.
• People who are dying will try anything.
• Ribavirin therapy is contraindicated in women who are pregnant.
• Most women who are widowed young consider themselves victims.
• And we who are nobody continue to Live.
• Just as difficult on those who are.
• People who are late don't respect other people.
• And it seemed appropriate to honor those who are no longer with us.
• The enchantment allows any who are worthy to wield it.
• These are people who are asking for our votes.
• Their mission is to treat women and children who are suffering.
• We're trying to stop the people who are using technology as a weapon.
• It forces love on people who aren't in love.

Some examples from the web:

• Another solution is to change the antecedent pronoun or noun from singular to plural so that the plural pronouns they, their, and them can be used: All who ...
• Director Robert Harmon and Laura Regan Still of Laura Regan in They (2002) Still of Marc Blucas and Laura Regan in They (2002) Still of Laura Regan in They  ...
• They (also known as Wes Craven Presents: They) is a 2002 American supernatural horror thriller film directed by Robert Harmon. The plot centers on a group of ...
• The singular they is the use of this pronoun as a gender-neutral singular rather than as a plural pronoun. The correctness of this usage is disputed. The Oxford ...