I wouldn't say furled or taper-line tenkara is any easier than level-line tenkara. They are distinct technique much like wet fly and dry fly are.
Level-line is more contemporary style for people who want to use all sorts of set up from traditional tenkara wet fly to western dry fly, to be able to drift longer without a drag, and to catch more fish. This way you don't need to tie a whole new fly box
I don't know who began saying this, but tenkara has ten-colour!
North American fish in front of the versatility of tenkara?
Good lord, I wish I am there to join you redefine fly fishing...
Following readings may open more doors to how contemporary tenkara can be, but I'm sure you have tried something similar to them:
8' Tenkara in the hands of 4 year old
Easy Tenkara or Easy Fly? – Skagit Design Easy Fly Kit | Tokyo Fly Fishing & Country Club
Shore Game: Ito, Shizuoka | Tokyo Fly Fishing & Country Club