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I read the parent comment as "If I go to a 60 year old and present them a non-excel build, they will ask me why didn't I just use excel?"

it's more that a 60 yo has likely being using excel for 40 years and (almost certainly rightly) not interested in something else to model a business.

As other commenters explained, Excel is universal. Excel is the global manifestation of God on Earth. Excel is the final avatar. If Pythagoras were alive now, he would get Excel in an instant.