yeah the 30 for 1 rule is a problem and needs to be fixed. I did not referred to the current take over. Even before HF21/22 all the Witnesses or at least sufficient majority were elected by one entity which defeats the purpose of byzantine fault tolerance mechanisms. Our margin of safety in dPOS is a 2/3 + 1 based consensus.

[https://arxiv.org/pdf/1904.07310.pdf]