thankfully we live in a democracy and those Civil Servants feel that they have a genuine argument and have no course of action but to go on strike. Peaceful protest is perfectly acceptable if your not happy living in a free democratic country then I suggest a move to China or Iran may be appropriate.
Yes it will cause people problems and indeed I will be inconvenienced myself as my childrens school will be closed and even if I was to go to work all the citys Metro drivers are on strike also. So I will have to take a days unpaid holiday but that I believe is a small price to pay in order to live in a democracy.