Earlier quoted context omitted.
The irony now is that 120k is basically minimum wage for major metros (and in most cases that excludes home ownership). Of course, that growth in wages in this sector was a contributing factor to home/rental price increases as the "market" could bear higher prices.
CoL in London or Dublin is comparable to much of the US, but new grad salaries are in the $30-50k range. The issue is salary expectations in the US are much higher than those in much of Western Europe despite having similar CoL. And $120k for a new grad is only a tech specific thing. Even new grad management consultants earn $80-100k base, and lower for other non-software roles and industries.
Think they're too high? You're free to start a company and pay less.