You can always add aftermarket system.
My 11 MDX Adv came with the Entertainment and I used it probably 3-4 times in 5 years and +110,000 miles with several coast-to-coast trips. Found using an iPad and/or smartphones provide more entertainment for front and backseat passengers. Movies, games, camera for making movies or taking pictures, internet, books, streaming video, pod casts, music, etc... all available with an iPad. You can also take the iPad with you on the plane, in the hotel, on the beach, at work, and use in the home. Kids will outgrow the in-car entertainment. We all still use our 5 year old iPad mini 4-5 times a week.
I was fine with my 19 MDX hybrid not having entertainment because of having my iPad and iPhones available.
Dad - 19 MDX Sport Hybrid Adv Fathom Blue Pearl w/ Graystone
Mom - 18 RLX Sport Hybrid Brilliant Red Metallic w/ Ebony
06 TSX w/ Navi (Totaled Oct/19), 08 RDX Tech (Daughter), 11 MDX Adv/Ent