"This is a stake based system to protect the nature of decentralization."

Stake has utterly failed to decentralize Hive.

"...have high requirements..."

Then only whales can trigger the report.

Using reputation score enables longstanding users to trigger the report when at least a couple people report it. Using stake enables 1 whale to do so, potentiating manipulation for financial benefit.

"anyone can get hacked with 60 or more reputation..."

How does that game the reporting system? With the threshold at ~250, they'd have to have 3 accounts to overcome the threshold, even if the accounts were >80 rep.