Earlier quoted context omitted.
It's not pragmatic, it's dangerous. Sooner or later someone could take control of one of the accounts you don't care about and use in a way you don't expect to gain control of things you do care about.
> use in a way you don't expect to gain control of things you do care about An example would really drive your point home. Can you provide one that people would deem "dangerous"? Edit: ccooffee just mentioned in the thread that you could be de-anonymized by reusing the same password. Is this what you mean? There's a spectrum of comfort with privacy so maybe that's the source of the disagreement between whether it is…
You might not care about what's contained in a certain online account, but there could be utility in taking control.