Comment by NalNezumi

The problem isn't small businesses. Japan already have millions of hard to find gems that even the locals don't know, because the owners barely market things (runs on local patronage) and those are still doing fine outside the tourism craze. And those places can be quite direct about not wanting the one-off tourist; When I was an exchange student in Kyoto we were told off from a couple of places, which wasn't an issue.

The "small businesses" being swamped are rarely those kinds. They want that extra income but can't really serve it, and often realize that one off selfie tourists just generally have little respect for rules and end up trashing the place,(or the surroundings, not necessarily because bad intent but cultural differences) causing ire from the locals.