Pixar movies had an artistic downfall after the Disney acquisition. But sure they are doing fine financially-wise and technology-wise.
Where Disney is now is more about destroying the parks as cultural touchstones in the USA.
Pixar used to work on one movie at a time, and each one that came out was technologically ground breaking[1], a huge media event, and an instant classic beloved by adults and children.
Now days you have https://www.imdb.com/list/ls020738923/
Some of their movies are good, some are great, some aren't good, but now days they are willing to make cash grab sequels.
[1] Siggraph during Pixar release years turned into "what ground breaking tech did Pixar invent this time"
https://qz.com/1754288/disney-is-trying-to-revolutionize-fil...
https://www.youtube.com/watch?v=bErPsq5kPzE
Though how much of that is Disney and how much is the companies they worked with is unknown to me.