Cheetah
Deity
What I see in the news the particular attack that was done in Sultan Ahmet turizm sube mudurlugu (tourism office) was done by Marxist-Leninist group DHKP-C (suicide bombing). While maybe the one that you mention is the attack that happen in Sirnak Cizre in east part of Turkey done by Kurdish nationalist group YDG-H (quite brutal civilian house been burned while the family inside, but thanks God they all save) or the one that happen in Dolma Bahce and I'm not sure if he is a Kurdish or Leftist radical militia.
It was the third example I was thinking of IIRC.
Anyway, if the Marxists were Turks, and Turkish media is not falling over themselves attacking Marxism, then that is a very good example to follow.
It exists internationally, and in that way it does have an impact. I think ElMac is onto something, however tangential it is.YEC doesn't exist in France, so it has little impact...