Graphql is a protocol for interacting with a remote system, parquet is about having a local file that you can index and retrieve data from in a more efficient way. It’s especially useful when the data has a fairly well defined structure but may be large enough that you can’t or don’t want to bring it all into memory. They’re similar concepts, but different applications

The point is to refute the people calling them liars for pointing out the obvious issues that happened in the past. If there wasn’t a backlash, this post wouldn’t make sense, but there was