Great analogy. They'd be using "Quantum" the same way one might've also used, say, "Turing Computer Services". THey want the legitimacy of sounding elite and beyond-the-cutting-edge while presumably being expert at merely replacing bad RAM and defragging harddisks.

Early 2000's version was simply putting ".com" or ".net" in your company name so you sounded enticing to investors, or when everyone added "crypto" and to their company names.

Of similar vein I expect current generation "Artificial Intelligence" will likely be renamed and thought of as quaint or audacious, like the renaming of "Modern" furniture aesthetic to "Mid-Century Modern".