Re-posting an article or part of one which was simply a copy and paste from some other site, without crediting the IP rights owner and/or providing a link to the source.

Actually, even if you cite your sources with a prominent attribution link, it can still be downvoted as "copy-pasta".

It's better to just decline reward-payouts (like me!) because all they care about is their precious-magical-reward-pool anyway.

And apparently there's an unwritten rule about "trashing steem" and or "trashing prominent steemit user accounts". So, I'll try to avoid doing anything like that going forward.