Buterin recommended capping the amount of Ether a user can stake and limiting staking penalties to 12.5% of staked Ether.

Ethereum Technical Roadmap, Scourge, Block Production, Staking, Slashing, 51% Attack, Beaverbuild, Titan BuilderRead More

You might also be interested in reading Ether.Fi Inks $500M Restaking Deal With RedStone Oracles.