Things can go wrong, and they sometimes do, which is why there need to be staging/testing environments and optimized setups that can handle the strain.
Most important things that you need to consider when choosing an enterprise WordPress hosting provider:
Managed WordPress servers are specially tuned to run WordPress in the most optimal way possible.
When a host only has to worry about hosting WordPress, they can make a lot of decisions on the type of infrastructure, the configuration of the servers and more.
When WordPress is the only thing being hosted on the servers, you lessen the chances of your site getting hacked.
Now here is the list of top 4 recommended Enterprise WordPress Hosting Providers: