[CryptoPunk]

My bet is that they are afraid of regulators fining them. The multi-billion dollar fines they received over the last few years constitutes a significant portion of their profits and has probably made them hyper-vigilant.

One of the unintended consequences of the Total Information Awareness / financial mass-surveillance AML/KYC movement is banks derisking at the expense of marginalized people and industries:

https://www.reddit.com/r/MakerDAO/comments/de0sys/kyc_is_abs...

[wmf]

It seems like it's somebody's job to decide if MicroStrategy can lever up on Bitcoin but it shouldn't be individual brokers' jobs. Banks/brokers need to be neutral infrastructure. Their responsibility for AML should be to report suspicious behavior and no more; let regulators or law enforcement enforce the laws.