Could It be true that nothing IS possible because there is No information assymmetry Nor arbitrage

[MVP]

Could It be true that nothing IS possible because there is No information assymmetry Nor arbitrage anymore and all Markets are efficient?

Like there are No opportunities and all loopholes are patched?

Like U try to come Up with Something, but there is nothing to come Up with cuz there are No Secrets anymore , everyone knows everything and there is perfect information