Hard to blame anyone for spending their time doing things where success is quantifiable and quickly displayed. This is the Western countries' version of hikkikomori and there will only be more of it as education and good opportunities become out of reach for more people. Men seem more likely to do this than women because of the societal pressures on them to get a job and run the rat race of dating and climbing a none…
And perhaps because "taking care of themselves" pressure on women is much, much higher.