In order to mitigate Peace in Our Time's drawback, one or more of the following need to be installed:
In Tapwrm's case, it's even more restrictive -- you can only play it after a successful run, so it needs to be played before Peace.
The pressure gains from Beth, I think, aren't worth it. In most instances, you'd rather have a poor corp in the first place, and Beth herself is mitigation to an inherently disadvantageous status quo. Hernando too -- a +1-3 cost to their ice is largely countered by the resources you just handed them, and that's assuming they can't pare down their resources in other ways to mitigate.
That leaves Peace as a Tapwrm followup. And to justify it, you're saying you're running a deck that goes through a LOT of cash constantly, or can turn the burst of liquidity into an immediate win.
Or, basically, you're playing Dyper.