I'd rather they be tuned around early> mid game power, then fall off naturally as front lines begin to matter more.
and here's where we see an issue. Kindred was designed to be the adc of the jungle, starting off weak and scaling to be an hp-shredding monster in the late game. This is an inherent design flaw as you need some degree of early power to function as a jungle...
So what do you do to Kindred that allows her to function in the jungle (without breaking her in a lane, as we saw back when she had early sustain) while still being able to scale into late-game as an adc that still leaves her appropriately balanced?
And I see what you mean about how essentially wasting slot in the jg, making it so you have 2 positions have delayed power so your team is weak in the beginning can be considered as bad but context matters here. You have to remember that having a melee bot laner (morde is a good example) has been a mini--goal of Riots for a lil bit now. I'm ok with this drawback because it can be worked around and is being actively worked towards a viable situation to have an adc jungle.