Yeah, clients always expect CSV (or sometimes XLSX), but if I tell them that I'll send parquet data, they will ask if I'm having a stroke or something because t

Yeah, clients always expect CSV (or sometimes XLSX), but if I tell them that I'll send parquet data, they will ask if I'm having a stroke or something because they don't know what is parquet and how could they use it. CSV is just too simple and "user-friendly".