When in doubt find someone to blame for RNG

Don't think they'd have a player blacklist for an idle game, and even if there was with you on it, you'd only get commons rather than uncommons or rares out of jeweled chests. This is all if they decided to "get back at you" via modifying the quality of your chest drops because you gave your opinion that you think they really didn't like. I apologize in advance if all of this sounds belittling, but for the devs to go through with hindering your gameplay this way is rather illogical; I would imagine they could just simply ban you instead for inappropriate conduct or something if they really had a beef with you. In the end, while getting what you received is unlikely, it doesn't mean that it's impossible. It's all just rng unfortunately.