After I muted the group, the world suddenly became much quieter...

Before, every scroll was "Got another sandwich" or "This arbitrage is sweet," making people itch to act.
Calming down and thinking again, you might think you're seeing an opportunity, but often it's actually the transaction fees in others' queueing and packing order.
Your small slippage margin has already been factored in.
Recently, I’ve actually been more interested in watching how trades are constructed: nonce being held, multiple transactions from the same address, gas suddenly spiking—these details are much more real than just shouting "there's meat."
Modularization and the development of the DA layer are indeed very exciting for developers, but for ordinary users, it just looks like... paying more complex "invisible costs."
Anyway, I’ll hold back for now, and watch how the on-chain harvesting unfolds.