Ok I understand the technical reality you poin to, I just refer to the user experience. For a normal user, you probably won’t notice that technically manjaro is not arch and EOS is. IMHO Manjaro breaks a lot and EOS just works and needs less manteinance.
I used manjaro for 3 years or so and then been using EOS for similar time. Manjaro broke a lot of times. EOS is more stable for me.