Don't worry. It is good.

Rating: 8/10 (4 July 2018)

It's well done, with great acting, a good soundtrack, a great script and a nice photography.
This movie as less flaws than you can see in any other horror/thriller movie.
Just enjoy this movie for what it is, a family trying to survive in an isolated area. It will not explains the origins/why/how of the creatures, either what's going on in the rest of the world. It just shows that family trying to survive.
Don't deserve any bashing. A 5-6 stars for flaws ? Yes. Below it's just bashing.