It isnt really "putting the responsibility to mitigate this problem in its entirety" on them so much as it is "putting the responsibility to mitigate this problem * on their service * "

Large software companies seem to enjoy passing the buck in recent years if it might impact their profitability which is fine but to say the could not do anything about it incorrect. It may not be feasible to do so an still operate the service but that doesnt mean it isnt possible.