Absolutely, this change makes it harder for people to quickly scroll away ads at the top & for ad blockers to seamlessly hide ads. With ad blockers your first page will be mostly empty & make google more annoying to use.

RedHat source is accessible to registered red hat users. That is NOT open source. https://www.redhat.com/en/blog/furthering-evolution-centos-stream

Image mode builds on the success of open source projects such as bootc

I always think its icky when companies advertise open source projects in their propriety closed source one.