This likely will be largely net positive.

If you get say, 10,000 sites on the map and you have to path through 500 of them, and you rank them and choose the least useful sites, that's not so bad.

In return the tourism injection funnels money into all the other 9500 sites, giving you money to preserve those really well.

It's a lot like how the "pay momey to shoot an endangered animal" programs in Africa are actually protecting the species, cause the money they make for 1 animal dying pays enough to protect and save 1000 others.

And now that it's profitable, locals have a vested interest in preserving them because it brings in money.