They have. There is no silence. They made a blog post saying pretty much exactly this: https://blog.robinhood.com/news/2021/1/28/an-update-on-marke... - they had capital and deposit obligations which they couldn't meet due to volatility, but having sorted this out they can resume trding.

Their first statement was nothing like that [1]. Why do we choose to believe the second thing over the first thing? Because it makes them look better?

1. https://blog.robinhood.com/news/2021/1/28/keeping-customers-...

It's likely both are true and that's the point: RH definitely will have some actual contractual and legal concerns... But how they react to that is almost certainly bring governed by whatever would help Citadel's other investments the most.

Any good lie is based on some truth. That veneer of plausibility makes everyone else carry your water for free.

The whole point is that these Wall Street companies enter into agreements that they don't want to disclose to their customers. This is just a small example.