How to reproduce:
1. Open "ScaledHumanPoseHandlerBug.zip" project
2. Select "Human" prefab
3. Execute the script in the inspector (Right click on the script component in the inspector, select "Human pose handler Test" at the dropbox)
4. Repeat it on "Kaduki" prefab
5. Observe the false output in the console

How to reproduce in 2017.4:
1. Open "ScaledHumanPoseHandlerBug.zip" project
2. Delete Missing Prefabs from the Hierarchy
3. Add Human and Kaduki models to Hierarchy
4. Add "HumanPoseHandlerTest" script into both of the Prefabs
5. Execute the script in the inspector of both Prefabs
6. Observe the false output of "Kaduki" pose in the console

Expected result: GetHumanPose shows the evaluated values correctly as in the first console report.
Actual result: GetHumanPose shows false values in the second console report.

Reproduced with: 2018.4.31f1, 2019.4.20f1
Not reproducible with: 2020.1.0a2, 2020.1.17f1, 2020.2.3f1, 2021.1.0b5, 2021.2.0a3
Could not test with: 2020.1.0a1 (project crashes on startup)