I think they already have. I held off on Wayland on my main machine for a long time due to Nvidia issues. For example, I was getting rendering issues where some windows/popups would be totally invisible until I moused over them. Those issues are now gone, and I’ve been running Wayland for the last few months with no problems at all.
This is why Google has been using their browser monopoly to push their “Web Integrity API”. If that gets adopted, they can fully control the client side and prevent all ad blocking.