Valve did not consider using the vehicle for "Half Life": Alyx because it had to establish a complete "visual language" for the driving part of HL2
If I want you to tell me what are the core elements of Half-Life 2, you might list the following: puzzles, pace, shootouts, variants, crowbars, physics, and vehicles. Although Valve can't make the crowbar work properly, most things still exist and are correct in Half-Life: Alyx. As for vehicles, they have never even considered them, ...
