Try resizing a browser window with nested a flex layout.
Should you optimize for resize performance? I guess that depends on the app. Use the tool that fits the requirements.
This is a very common narrative to this news. But coming into this news, I think the most common narrative against streaming was essentially "There is not enough consolidation." People were happy when Netflix was the streaming service, but then everyone pulled their content and have their own (Disney, Paramount, etc.)
I think the issue is more that engineers face unreasonable pressure to deliver short term value and that there is no respect for the craft/engineering from many managers or even engineers.
Companies too.