[blowski]

Doesn't that seem a bit passive aggressive? See what I did there?

[ffsm8]

Surely it depends on both your phrasing and how you usually interact with your colleagues, no?

[Smaug123]

You can totally do this with non-passive-aggressive phrasings ("Is this possible using structured programming instead of GOTO? What went wrong when you tried, how messy does it get?")