Not necessarily looking through PRs, but presumably they need to work with actual code in your code base that was merged at some point, unless your product is g

Not necessarily looking through PRs, but presumably they need to work with actual code in your code base that was merged at some point, unless your product is growing so fast that new people just write new code all the time? (Same applies for not-new coworkers that now need to touch that code area anyways)