Yes the area is not without it's risk, but much of this can be mitigated with adequate precautions.
Difficult to say this as it is obviously an emotional subject to those still involved one way or another. But the fact remains 21 unfortunates are dead due to various pilots failing to take adequate precautions. That being so, where is the certainty any new searchers will mitigate the risk with adequate precautions? 33 years is a long time to be holding the candle and a line must eventually be drawn somewhere.