I've met a couple of C# devs recently who seem competent and senior in their organizations, but actively resist using refactoring tools - they claim doing it by hand is just as good. My current theory is Resharper + Visual Studio is just unusable. I haven't met any Java programmers who think this.
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IME, it usually means they don't do much refactoring.
I'm not sure I'm do much refactoring if I didn't have tools like IntelliJ to help me out.
Without good tools, refactoring can be very laborious and error prone.
OTOH I’ve found folks using Rider lean on them way more heavily
[2012] Don’t Let Your Tools Pwn You
https://chrisoldwood.blogspot.com/2012/02/dont-let-your-tools-pwn-you.html