Are there issues with observing color qualities in the brain?

Here are some examples of experimental observing of color qualities in the brain.

1. High-resolution image reconstruction with latent diffusion models from human brain activity by Yu Takagi and Shinji Nishimoto.
2. Color-tuned neurons are spatially clustered according to color preference within alert macaque posterior inferior temporal cortex by Bevil R. Conway and Doris Y. Tsao
3.  Jack Galant
4.  Thirza Dado, Yağmur Güçlütürk, Luca Ambrogioni, Gabriëlle Ras, Sander Bosch, Marcel van Gerven & Umut Güçlü
5. Yu Takagi and Shinji Nishimoto 

Are there problems with the colored data they are claiming they have “read” from these people’s minds?

1.  No, they are observing and reporting color experience accurately
2.  Yes, This is Qualia Blind Observation
   
   This topic is one of the questions in the Socratic "Are You Qualia Blind" survey.