Two classes of tools

There are two classes of tools: Personal tools and Common tools.

A personal tool might be your editor -- each developer has his own preferences and what editor one person uses does not affect another.

However, it is important to have a common tool for formatting code. So you decide on a formatting tool and everyone configures their editor to use that.

Some more examples:

Sometimes sticking with the common stuff is slightly less convenient than doing it "my way." However, you need to decide if you want to be part of a sustainable business or just a few talented individuals.