The part of that video that makes me empathize with his experience is the fact that Luke took on the same challenge, happened to choose Mint, and had no problem installing Steam. So you run into this catastrophic failure, and even your friend can only tell you “worked on my machine, I don’t know what to tell ya.” Then you search the internet and just keep finding the same instructions you just followed, to the letter. So you share your experience, and then half the Linux community blames you for “not heeding the warnings.”