While I agree the risk of insolvency (FEI permanently below peg) is low, the risk of equity loss (redemptions flow larger than stablecoin reserves at a lower ETH price than today) is larger.
Would be in favor of swapping ETH<->OHM rather than reducing the current size of the stablecoin reserve. An LBP is one idea, could also suggest an OTC of the ETH for OHM directly with Olympus at RFV, just like they were able to mint FEI using existing treasury DAI.
If we do the Olympus swap in ETH, reduces need for further open market ETH sale.