GraphQL got out just some years after BFF introduction, but even today BFF works nice while having a monolithic after that it brings a lot of hell / problems..

GraphQL got out just some years after BFF introduction, but even today BFF works nice while having a monolithic after that it brings a lot of hell / problems.. In distributed cases, BFF makes it a lot harder: aggregation or federation of API which are far way more complex subjects. (how to works with teams, who define data constrains, how to ensure data constrains are followed, etc.)