Was Carter's Apology to Israel Sincere?

Brad Hirschfield raises some questions:

It's also somewhat troubling that his comments are offered to the "Jewish community". His past comments, which attacked Israel as an apartheid state and worse, were not problematic because they offended Jews; they were problematic because they were rooted in faulty comparisons and flawed analyses of very complex realities that did not fit with Carter's idealized understandings of "big bad Israel" and "good little Palestine".