The fact they said it was "mistakenly added" to a policy document that had to go through multiple layers of management and lawyers before becoming public makes it hard to believe it was ever an accident. I'm more curious who is lobbying for such a condition in the first place.
> We strive to ensure our platform is safe and secure
for all to use and expect all customers to comply
with our Acceptable Use Policy, which outlines
prohibited activities and conduct, including the
use of our services to promote hate, violence and
intolerance (including racial intolerance). We take this
responsibility seriously and conduct independent
investigations of product misuse using all available
information, while also working to proactively
identify instances of noncompliance.
This is primarily a way for PayPal to take money from people, but it is also a way to bully people that PayPal is mistreating into silence: not worth getting dinged $2,500 every time you post a tweet critical of PayPal for stealing from you
I couldn't find a good article talking about the topic that was from a vaguely neutral site, so I've simply linked directly to the user agreement. Search for "$2,500" and you'll find the paragraph which is almost exactly (or perhaps exactly) the same as the original language that they said was added "by mistake" a few weeks ago.