I'm not a troll. Stop being so defensive. You're as bad as the Fractal fanbois.
I was just wondering that somebody bought an expensive KPA only for headphone-playing at night. To get a real picture of the KPA you need to play via studio-monitors or FRFR-cabs. To compare KPA vs. Helix via headphones doesn't make any sense at all.
If you want to buy a Helix and sell the KPA go on, we live in a free country and I don't see any police here. For sure the Helix might be a good choice for you, if you're looking for a floor-one-piece-solution and if you don't need authentic amp-tones. The strength of the KPA is the perfect reproduction of real tube-amps (tone and feel) and that you can profile your own and any other amps.