Your chair should be set at the right height, so should your desk, so should your screen.
I once knew a specialist who fine-tuned things. Still grateful.
There is no sick joke. The current iMac design has been known for a long time. Since you don’t like the design and aren’t interested in a work-around, don’t buy it.
Your OP is really misleading, as it gives the impression you already own a iMac.