Using a bot is fine... as long as it actually works, but there needs to be some occasional manual checking. Making a post 75 characters long doesn't mean the post isn't spam, and can be abused in several ways to get around it like this and the Malin Keshar situation. That user should obviously be kicked off the campaign for making poor posts alone.
I looked at his recent posts and almost all of them are in chinese. I certainly can't judge the quality. It's cool to know that you speak Chinese tho, hillarious. For some reason I thought you had told me you were Candian (not that there aren't candians who speak chinese, but that's certainly not the stereotype).
I see it may be hard for you to scroll down, like just a little but here im going to quote his last posts so you can judge:
You may try to run a campaign
is anybody get paid form this ponzi game?
I only have 2

Bitcoin and qora
Every one has the right to own a gun to protect themself.
Security is more important than Privacy.
All of them have poor quality + the spaces i was talking about earlier, you can just see it when quoting