

Apparently not. I had to click a few pages into their site for this:
“While Eclipse Theia incorporates certain components from Visual Studio Code, such as the Monaco editor, it is independently developed with a modular architecture and is not a fork of VS Code.”
A lot of people see an upvote as a signal that they endorse the message, or at least want it to spread.
A downvote is the opposite of that.
You’ll never convince people not to “shoot the messenger” on link aggregators because it’s antithetical to their view of the system.