Look below:

• this
• is
• a list

Broken?

• This is a checklist item
• This is a list
• after it.
• where are my bullets

Here's how it looks rendered in Github's markdown renderer:

* this
* is
* a list

## Broken? 

* [ ] This is a checklist item
* This is a list
* after it.
* where are my bullets

I know it's a different markup language, but it remarkup shouldn't remove the bullets.