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So, you don't like a web platform proposal
...you may feel that your insights and experience can be valuable to help steer the platform from making what you're sure is a huge mistake. That's great!! Getting involved in web platform discussions is essential to ensure it's built for and by everyone.
...
In cases where controversial browser proposals (or lack of adoption for features folks want, which is a related, but different, subject), it's not uncommon to see issues with dozens or even hundreds of comments from presumably well-intentioned folks, trying to influence the team working on the feature to change their minds.
In the many years I've been working on the web platform, I've yet to see this work. Not even once.
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"We do so love for everyone to join the discussion. It also never influences our decisions, not once"