Yes, the hair dryer can probably fix the warping issue. It's fairly common for the thick pbt spacebars to be slightly warped. I always though that the universal spacebars were the 5 stemmed ones that had an off-center stem, but taking a look at my spacebar from my white engraved PBT set shows that the truely "universal" spacebar has 7 stems.
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As for the right shift, it does push down to the sides if you intentionally do it on costar stabilizers; however, pressing it down normally from the sides doesnt cause that to happen. I don't have a kb with cherry stabilizers, so i cant say anything about that.
Chicken Chaser - What you can do is either get the spacebar modded so that it fits your leopold, or buy a spacebar from wasdkeyboards that closely matches the color.