Disney could remove that thank-you note from the Mulan credits. It didn't.
That's the same Disney that takes action against any works in its catalog that have any trace of supposed racism.
So, Disney tirelessly takes action against dubious subtle traces of racism in 60+ year old works, but won't take any action against real racism subjecting millions of people in China, right now. In fact it embraces this current racism.
Why? Because Disney wants the lucrative Chinese market and needs to play nice, cooperate with, and sometimes even praise the CCP which operates these racist prison camps.
So all the moral outrage against racism in the Muppets etc is just meaningless virtue signalling. Everyone is really doing what is in their best interest, but sometimes it is beneficial to dress that up for PR purposes.