It may not be the best full text search engine, or the best time series database, or the best document/"NoSQL" database.
But if you use it you have all of the above, with having to wrangle micro services.
Only thing is that data compression / formatting / structuring and corresponding indexing config must be good.
A simple table with a PK and a document column is enough to make it into a great MongoDB alternative, upto a certain size.
It may not be the best full text search engine, or the best time series database, or the best document/"NoSQL" database.
But if you use it you have all of the above, with having to wrangle micro services.