I definitely agree with this. Although I haven’t had any experience in a non-welcoming culture, I definitely feel a welcoming culture promotes better work and employee retention. No matter how hard the work got, I at least did not have to deal with feeling isolated in the huge company. As an intern working in 3 different departments for 3 summers, there was not one person I did not get along with. This left a great impression of the company on me as a whole.