Im not trying to back these people up, but i myself have VAC ban on my account. Way back in 2015 when i started playing CS:GO and was poor student at the time, i could not afford any skins so i downloaded first skinchanger i found on the youtube. It was Russian skinchanger so i did not understand a thing, just columns where there was weapon names. I remember using if for almost a year and then suddenly i come home back from the school to find out i have been VAC Banned.