That gave me a sudden thought, so I went back and checked (I'm just using the wikipedia pages for the V2 and Me-262) - in total, there were 1430 262s built, but there were over 3000 V-2s.

They could have tripled their jet interceptor force, something the allies had no answer to (other than just winning the ground war - it wouldn't have turned the tide, but still), but instead they made a strategically insignificant number of Special Expensive Bombs and spent basically all of them on random civilians.