C'mon... a trigonometry whiz like you? Easy to adjust for... (but I think you know that already).. (Actually, no real trig. involved, just measure the offset.)
Maybe true, but then you have two setups and learn two ways. Not a big deal, but for some it's simpler to stick with one system.
Yes, I certainly know how I would have to adjust for it and I can not disagree with your second argument either but I have bought my first Lansky more than 30 years ago and for me it is still my go-to system for most of my pocket knives.
I realize that for a lot of people it might be simpler to stick with one system and I am certainly not the norm but for those who enjoy experimenting, it might be worth giving it a try and get the best of both worlds.
Frans