"While users who type "#Democrat" or "#Democrats" see no results, the hashtag "Republican" returns 3.3 million posts on the social media platform.
By manually searching Instagram for "Democrats", rather than clicking on a hashtag, users are greeted by a screen reading "we've hidden these results"."
https://www.bbc.com/news/articles/c4g32yxpdz0o
Meta says it's a "technical problem" But since both searches fail this looks more like a trial balloon to me.
I see you, meta.