Of course but users buy computers based on what software they run, how fast they are and how much they cost.

This article explains why PCs ended up offering more performance per dollar in the late 1990s which is why RISC workstations started losing in the competition.

A lot of guys remarked on how they could get RISC workstation performance with Pentium processors at a fraction of the price.

So customers do care what processor is in their computer but only indirectly. If one processor makes your computer faster and cheaper than another then they will prefer that processor.