Pyramids are tombs, the Pharaohs were literally burried there...it's a huge problem for Egyptian conservationists and heritage preservation. There were many treasures burried with them too but they were stolen by the British and other colonizers. How could negate History like that?
An EP based on Living in a jungle where the Sims have to go into the jungle for research, or to rescue animals is similar to Island Living where the Sims have to clean the Ocean and the beach? I don't see the similarity at all. If you go into the jungle, and make sure to not be endangered while finding an animal to rescue and protect (the success of the mission could completely depend on your skill or on the items you bought, especially to rescue the animal). Also, a wildlife photographer has to go into the jungle, find the right animal to photograph and make sure to get the perfect shot. I don't think that's the same as Island Living at all.
Finally, we already have Jungle Adventure, why would you want something so similar? Also, do you know that sites with ancient temples and ruins are protected right? And the locals still consider these places as world heritage and sacred. And it's not that people died a long time ago that we're allowed to do every we want or explore however we want, just take a look at Stonehenge, it's a ruin dated from the Neolithic period, every person that lived at that time died millions of years ago, but it's a protected site as a world and human heritage. Also, nowadays, when ancient ruins are discovered, no one is allowed there because scientists need to make sure, the site is not fragile, and they have to fnd a way to preserve it first. So if you want a gameplay like that, why not, but I hope that in that case, they would make a whole gameplay about abtaining an authorization or a certificate to allow your sim into those ruins and temples.