It is very common for internal folks to "get itchy" to change the major theme of your site sooner than you would expect. They're on the site a lot. (especially if it’s good!)
Prospects are going there for the first… maybe second time. Be creative and flexible but hold to your strategic “first impression” plan for greeting new visitors.
I am the first to admit even I get a “little tired” of the auto-play video on my homepage. But I need NEW PEOPLE to hear it.