Se não for WYSIWYG, então que tal desativar completamente os estilos?

[sam (Sam Saffron)]

O Discourse agora está enviando um editor WYSIWYG experimental

Test our new composer!

We have been working on a new rich text editor mode for our composer so that it’s easier to write on Discourse. We’re now ready to start testing it out to get more feedback from our community on this feature! Our implementation builds upon the excellent ProseMirror and its non-core Markdown module, using the module’s schema, parsing, and serialization definitions as the base for further Discourse-specific features. This topic will serve as both a guide to testing the new composer and a hub for…

Vou fechar isso porque não acho que a solicitação faça sentido neste mundo, além disso, tem 9 anos