Because top 20 witness on DPoS does not mean the same decentralization context as other chains... and if one does not know how to compare... mistakes happen.
Decentralization is not "single sentence" even with bitcoin....
One can give me ANY coin, and I can dispute ANY exploit against other coins exploitation... it ALL depends! I can hack stuff if I would have the time... or I can teach... same.
Arguing depends... that's why I love curations, otherwise I would be fighting idiots on X social idiocrasy