There are a lot of people on the RKBA side who have an all-or-nothing attitude. There's a time and place for such thinking, but at other times, you have to compromise. It was better to lose our rights for 10 years rather than permenantly.
Fighting every last jot and tittle of the law would have cost us everything. Politically, killing the bill off just wasn't going to happen. Clinton had done a good job of whipping up public sentiment to pass a law. The NRA could have had a part in writing the law, as they did, or they could have left that task to Feinstein and Schumer. Some of the purists act as though they'd have prefered the latter.