Interactive debuggers and printf() are both completely valid and have separate use-cases with some overlap. If you're trying to use, or trying to get people to use, exclusively one, you've got some things to think about.

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jennyholzer 5 days ago | parent [-]

printf() users in this thread are very proud of their own ignorance

	▲	marssaxman 5 days ago \| parent [-]
		I almost exclusively debug via printf / logging, and I am so stupendously ignorant that I have even written and published a multi-platform interactive debugger, to go with the compiler I also wrote (one of several, but this one was the most successful). Make of that what you will, I suppose.