Thank you Captain Pedantic. HN threads won't be the same without nitpicking and pedantry. I think by "ambient" you mean piped music, elevator music, Muzak(tm). Because Eno ain't no elevator music.
In keeping with the pedantic nitpicking, I think Eno might actually disagree and say that his music could be elevator music. In the liner notes[0] for 'Ambient 1: Music for Airports', he writes that "Ambient Music must be able to accomodate many levels of listening attention without enforcing one in particular; it must be as ignorable as it is interesting."
But, speaking for myself, I wouldn't relegate Eno's music to the elevator. :)
It's funny. My favorite band, Devo, released Muzak mixes of their songs several times in the 80s. However, you would never hear such a thing piped in a store in 2020. Plain vanilla "Whip It" though? Absolutely.
Said another way, Eno (and Devo and many others) are essentially the Muzak of the modern day.
Devo was a bunch of brilliant, genre-defying creatives. In my point of view they have been as influential as Kraftwerk, but don't get as much love and respect.