What is your best argument(s) against crypto?

Before you say anything, i'm a loyal HODLer of a majority of coins.

I know we like to talk about the positives in here, and yes, i love to hear about crypto adoption and good news! But i also believe we will know crypto better if we know its weaknesses.

Lets argue about a problem we currently have, or a problem you think we may have later on.

Heck, maybe the arguments will lead you to your next crypto inv(c)estment