Uhh… What does Design Thinking have to do with UX? Sure, it could be used to come up with novel ideas for user interfaces but DT (nowadays) is an approach that's several orders of magnitude more general.
Sure. Let me then call it this way: "Design Thinking is the Data Science of design: an attempt to gain influence in fields that you don't have expertise in."
The fact that it’s mostly being pushed by UX people.