The bus and the 78x work really well in VR, as does the TBM, 152 etc, so I think it’s just real-life modelling and that Citation pilots have superior eyes and hair. 
I really hope they fix the C4J fuel issue in the ‘Sim Update 2’ patch tomorrow. The backup plan is that people have started to fiddle with the Citation configs pretty heavily (apart from the WT full mod):
I think a lot of the mods/patches will break tomorrow (ideally start with a clean /Community folder when updating), so probably worth waiting now.
Anything listed as ‘Sim Update 2’ in the below is meant to be added or fixed tomorrow: