Let's assume, there is no censorship and anyone can join the boycott. What is the intended successful outcome of the boycott? If noone would do anything (no boycott), some customers would have to pay mortgage for apartments that won't be finished ever. With boycott, the blast radius will be bigger, possibly affecting the banking system. What options do authorities have?
When you have an over-estimated stock on the market, it's going to drop. Eventually.