Erm, totally irrelevant to this.
tools are part of the trade, no? even if you don't use a particular one, having a decent understanding can provide a contrast to the tools you do use and perhaps improve your utilization in subtle ways.
I agree with this but that's not what he said. He quoted very specific tools needed to achieve this and that was the cause of my disagreement.
Enjoying that also helps keep you curious and wanting to learn new things. My favorite thing is getting to talk with a developer that is much better at something than me, and talking about their area of expertise. Walking and talking about a problem or sharing 45 minutes at a whiteboard can lead you to ideas that you would never find on your own.