The first reason is straightforward: it is just basic human decency to make hiring more fair.
The second reason is a bit less obvious: it is good for your business in a very direct way.
There is huge shortage of talent in tech, but the common hiring process is discouraging big groups of people that don’t match the stereotype of a programmer, like women or people of color. This leads to those groups being under-employed.
On average, you need to pay less for the same talent, or you get higher-quality talent for the same price.
How much time will pass before this becomes common sense?
Read what Dan Luu writes about data on discrimination.
Tools help you get things done, but too many tools mean constant mental overload.
Every piece of technology you add has a very real cost of learning it and composing it into your toolset. One too many, and your workflow becomes a mess.
I’m not saying that you should stop learning new things; just remember that there are two sides to it. But I am saying don’t add a thing until you know exactly why you need it, and that it’s worth the cost. It’s also fine to play with something from sheer curiosity – just be honest about it.
An example is using too many Vim plugins. At first, you just see a cool plugin that does something useful, and you immediately install it, learn the basics and start using it – and life is good. Then it repeats twenty more times, and every time it happens the life gets a bit better in obvious way, but it also becomes a bit worse in an obscure way: your configuration becomes hard to maintain; functionalities don’t co-exist nicely with each other an with the vim’s built-in stuff; you get confused as to which plugin to use; there are too many shortcuts to remember…
At some point, you have to learn to pick just the few ones that are helping you the most, and drop the rest.
Remember it the next time you pick up a new tool.
Often, I find new solutions to hard problems when I change something about my environment. I switch from a big monitor to a tablet screen, or the other way around , and suddenly, it’s obvious how to get something done.
Sometimes, I go to work from a cafe or a library, and it also brings a fresh perspective.
Work in silence (if you can afford such luxury) or with music. See what works for you; try something new from time to time.
There is also value in a solid routine, but a healthy dose of variation can help you in surprising ways.