The VCs put money into a startup and encouraged them to engage in risky banking practices. If these startups succeed the VCs get a payout, if they fail they get nothing.

A taxpayer-funded bailout of the depositors is socialized risk, privatized reward. Why should the taxpayers stand for that?

Again, two wrongs don't make a right.

This is like arguing that we shouldn't pay for housing for the homeless because rich property developers are partly to blame for the housing crises in many cities.