Yes, several retail investors have accused them of acting illegally to protect their emergency loan to Melvin capital by raising their collateral fees for certa

Yes, several retail investors have accused them of acting illegally to protect their emergency loan to Melvin capital by raising their collateral fees for certain stock transactions, resulting in restrictions on GME buys. Citadel effectively has a conflict of interest in letting GME buys occur, and it was after they had that conflict that GME buys became restricted.