I work in a large multi billion company and we have people staring at a slow problem for a decade before a noob comes with a profiler and find they browse every

I work in a large multi billion company and we have people staring at a slow problem for a decade before a noob comes with a profiler and find they browse every key of a Map instead of calling get and such. Or do 1 million db queries on a GUI startup... Not surprised they didn't bother for 6 minutes when it takes us 10 years to fix a 30minutes locked startup.