Yes, it would be grand if our minds worked in a rational, logical fashion. But that's not even remotely representative of reality.
In fact, you went so far as to imply that it's constructed and not synesthesia.
As the same commenter pointed out, if multiple people have interpreted your comment in a particular way, regardless of your intentions, then it's maybe time to step back and re-evaluate.
I'm not being pretentious here. Literally his model looks like some over engineered contraption.
I can see how you concluded the latter, since this site frequently have posts with this style of title where the upshot is an implied “and why you should too”. This time, though? This time it’s just someone’s blog where they’re telling you how it is for them.
As far as I can tell, they didn’t share it on here and they’re not proselytizing the experience. It just is.
Composition can either be multiplication or addition. In short integers are monoidal under both multiplication and addition, circles are not as you can't physically combine circles to form a new circle without mutating the shape of the circle itself.
This means circles are a bad shape compared with blocks to use for addition and multiplication.
