But HL2 did actually work pretty well. Joe spent a lot of time making the boat sequences work in a reasonable way.
There's a sequence of stacking boxes near the start that is somewhat infuriating in the original - the stack keeps falling over - but in VR it's really easy to place them well.
Also, whacking the manhacks with your crowbar goes from being a panicked flailing in flatscreen, to being an elegant one-swing home-run hit in VR.