SketchUp Text doesn’t zoom and stays static
Placing a leader text and set the size to height.
When zooming it still stays fixed in size and position and everything else zooms around it.
Text added with the Text Tool is always of the same size, whatever the zoom factor.
The problem happens if placing the text in a blank area, not referring to any other figure / entity.
First, add a text with a leader, taking as reference any of the lines or faces defining your plan.
Once you type your text, right click on the entity, then select ‘Entity Info‘
On the Leader Entity Info Properties, Select Hidden on Leader dropdown list.
The leader with the arrow will dissapear.
Once you accept the changes, you can freely move your text and position it.
Zooming in or out will also affect to the text with the hidden leader, as shown below: