[gsg]

This works until the analogue of monotremes shows up to ruin your supposedly flawless categorisation.

[nfw2]

I didn't say the categorization was flawless; I said it reduced the complexity of the information. Categories can be useful without being flawless.

[rmdashrfstar]

It is not a “can be”, it’s a “must be”. Models or an abstraction of complexity are necessarily both reductionist and useful.

[gifnamething]

YAGNI