v.137 - Unleashed Update Notes

You say that as if leeching was only done recently.

Fun fact: It hasn't. It's been present since the beginning of the game.

I think he was maybe talking about how people used to be pretty active at LHC, actually using skills more often than not and it was only fairly recently that people decided to leech more than actively train at LHC. In that respect, he is (to an extent) right.