In my experience most corporate employees just take the path of least resistance. It is not uncommon for people to paste non public data into websites just to do json formatting, and paste base64 strings to random websites just to decode them. So just telling people not to do something won't accomplish much. Most corporate employees also somehow think they know better than the policy.
Any company that doesn't want to feed data into ChatGPT should need to proactively block both ChatGPT and any website serving as a wrapper over it.
A while back I got to hear about how the IT team running my then-employer's internal time reporting tool was sending all the usage data through Google Analytics and how neat that was for them to look at :\ .
Any company that doesn't want to feed data into ChatGPT should need to proactively block both ChatGPT and any website serving as a wrapper over it.