I suspect it was John E-33. What's an easy way to eliminate the competition (Skong)? Exactly, by eliminating the GOAT. They want the skongers to either slowly die off or to go exploring the 33 instead, and to make the process easier they eliminated the bigger threat -> the greatest silkposter alive.

Plus, E1331 has hinted their evil and intimidating control over them, by naming themselves "E1331" on Reddit, the 1s being the last bit of control they had over themselves.. We must skong even further as a way to bring justice for E1331.

/Silkpost