The very first instance of microtransaction began with Elder Scrolls IV: Oblivion. You know the one, the horse armor for $2.50. That was in 2006.
Team Fortress 2 didn’t come out until 2007.
Online Gambling has been a thing for quite a while beforehand. You can’t entirely blame Valve, here. Inspired? Perhaps, but it took them quite a time to even start giving in.



So is it ‘never obsolete’ like the EMachines were?