Tikkun Olam means 'repairing the world', not screwing it up.
Making the world a better place, in other words and not actively working toward the destruction of Judeo-Christian society.
I guess they missed the memo.
Anyway, the great Kathy Shaidle said that us anti-Tikkun Olam Jews should figure out a Hebrew phrase for "destroying the world" to apply to these douchebags.
And I just came up with it....