Another prime example why UI redesigns are a waste of time - https://debugandrelease.blogspot.com/2019/03/ui-redesigns-ar...
The reality is these companies change the UI because some metric told them that the new design will bring in the most ad revenue with the least risk. They know most people don't care, and those that do will become apathetic. They don't care about your taste or feelings, just about the percent likelyhood you will click on an ad.
I'm not saying this to be overtly adversarial to these companies, but it is a little naive to think they 1) are just arbitrarily changing things or 2) don't know that people will hate it, but it's a calculated risk.