grassy I use VS as my main long haul carrier and have certainly had some less than helpful ones. Given that I am 'low maintenance' pax, that's saying something. You might search for old threads on this topic, the attitudes of CC, as they usually crop up about every six months. Overall, the CC get a good report, even on some carriers that have poor reputations.
I work in a field where every single supplier trumpets how much they care for the customer. It's on all their notepaper and shop fronts. Having worked in this business for 20 years I can say, "It ain't necessarily so ..."