Out of the loop: the comment you're replying to is referring to the Bolt CEO claiming that Stripe is in cahoots with other organizations, particularly ycombinator & hnews to manipulate the perception of stripe.
The reference to the mob is a play on the fact that the cofounders are Irish.
n=1, but I don't have any mental association between "mob" and being Irish, and I don't feel comfortable reading that intent into the original tweets without stronger evidence.
The reference to the mob is a play on the fact that the cofounders are Irish.