I don't know the answer to your question. That said, anything not run by you, even including Google, can choose to exclude, de-prioritize or discard messages that conflict with partners, investors or other interests. You could however create blogs hosted by you. Based on your link it would just be one small html file. There are a myriad of free hosting solutions that work for static content.

Yes, thanks, will definitely blog about it. Thanks

glassdoor is productized extortion, pay-to-manage feedback, like yelp but more subjective.

Yes, it is shame, because should I have seen comments as the ones I want to post, I would have avoided that company and gone for other offers