2. There are maybe 5-10 syntax elements to get up and running with Markdown. Your average excel user has probably committed far more keyboard shortcuts to memory.
3. Most markdown users are fine with importing an image from another app if “powerful visual editing tools” (which still haven’t been defined) are needed. Not to mention extra features in this area provided by Markdown editors like Obsidian.
4. Again, I still don’t know what you consider to be an “actual powerful tool” for managing text. Does your definition begin and end at WYSIWYG?