I draw the line at store-bought icings, in part because they taste terrible and also because they have so much unnecessary additional garbage to keep it shelf-stable.
However, I like your energy. At my house, we do something very similar, though we use a scratch recipe for the cream cheese icing.
Only they can truly answer for themselves, but from a business standpoint, yes. It might. Being able to get support direct from the people who made/sold the laptop, whether it be in the form of a warranty or tech support, could save you from having down time when you need to be working.