Three interview rounds - Technical round with manager followed by two interviews with a director & senior partner to gauge fit with team. Friendly process with a focus on ability to learn & pick up things

I did their video interviews and made it to their next round (Superday). During the Superday, they said we would hear back within two weeks whether or not we made it to the next round and that we were free to contact them asking for updates. After two weeks, I didn't hear anything from HR, so I sent them several messages, but have yet to hear back fro any of them, and it has been over a month since the Superday. Suffice to say, I think I have been ghosted, which is strange and infuriating considering I gave them three hours of my life only to not even get a response saying I was rejected or not.