As the style guide instructs, pages should prefer --option argument instead of --option=argument.
https://github.com/tldr-pages/tldr/blob/main/contributing-guides/style-guide.md#option-syntax

If you feel like helping out, you can run grep -r = | grep \` in a page folder and start testing which of the = characters can be replaced. Some options require =, so they need to be individually tested.