It's one thing to stumble upon a repository that does not have contribution guidelines and submit a pull request, that is obviously fine. But you're advocating

It's one thing to stumble upon a repository that does not have contribution guidelines and submit a pull request, that is obviously fine. But you're advocating against respecting the wishes of strangers, and disregard their request to coordinate with them before submitting your work. You have the option to walk away and not contribute if you don't like the rules for interaction that have been set by the people that manage the project. Or just follow the rules. Those are your only two sane options, unless you become a maintainer yourself at that project, and modify the contribution guidelines. To be very clear, you have to understand what NO means in this context, and realize that "I don't like bureaucracy" is not a valid reason to push forward on your own terms.