Google, Facebook and the like already employ filtering and copyright techniques and they can afford it. So, this law lifts the barrier to entry for smaller internet companies.
On the other side, it's also beneficial almost exclusively for the larger publications or copyright holders as the collected amount of license payments would end up there.
So, while I accept that the benevolent interpretation of this initiative is correct – big internet companies have an unhealthy market share and it's unfair to make money from other peoples' work – I suspect this might be another step towards more corporatism.