It’s worth mentioning that sometimes there are legitimate reasons for removing reviews.
Our company had a slew of negative reviews suddenly. Upon closer look, the reviewers were working in positions we had never employed anyone for. They were posting about an office they worked at in Israel (we are in the USA).
Turns out there was another startup in Israel who had a very similar name to ours. That company closed a big seed round and started hiring a bunch of people (and apparently they don’t treat their employees well, based on the reviews mistakenly left on our page).
The process of getting the reviews removed was a major pain. It requires multiple emails and phone calls with Glassdoor. Ironically, Glassdoor sales reps started up selling us on a premium Glassdoor account after we had a sudden uptick if views on our company (which were actually from people trying to see reviews for the other company in Israel) so we also leveraged the sales process to push Glassdoor into looking at the legitimacy of the reviews.
I definitely wouldn’t say it was an easy process. Glassdoor was, by default, resistant and skeptical about any complaint relating to a request to remove a review. It took multiple months (and persistence) to convince them the reviews were not for our company.
It’s easy to jump to conclusions about Glassdoor moderating reviews and removing bad ones. But also remember there are cases when reviews are not legitimate and should be removed.
(In addition to the example I provided above, another example is competing companies leaving negative reviews on competitor profiles to sabotage their hiring efforts).