It absolutely is. Yet, as Sean said, it’s also yet another bit of software to run and maintain, and ES is known to be a bit of an effort to keep going well.
Admins having only finite amounts of time and/or resources, might make the very understandable decision to leave it out.
My takeaway wasn’t that he didn’t like it, he did. Just not worth the absurd price unless you want to literally pay for the privilege.