They say it would simply regroup and run under another name.
Normally, that would be no problem for the sands, which would simply regroup and re-form further back.
A Shabaab spokesman says that the group is not withdrawing but only regrouping as it changes tactics.
On Monday, Amos Gilad, the Israeli major-general who has been negotiating with a Palestinian counterpart over the proposed pullback, said that any truce with the militants would only give Hamas time to regroup and plan more attacks.
The government has brushed off repeated calls from foreign diplomats for a truce in the conflict, saying it would only give the rebels time to regroup.
Waiting to call an election would only give the BJP has time to regroup.
The Farc have repeatedly called for a bilateral truce but the government insists this would only serve to allow the Farc to regroup militarily.
But Israel remained wary of the combination of truce and withdrawal, fearing it would only hobble its army while allowing terrorists to regroup.
The government argues that a bilateral ceasefire would only give the guerrillas reprieve from constant military operations against them, which they could use to rearm and regroup, as they did during past, failed peace talks.Although talking while the fighting continues has sometimes strained the negotiations, these are far more serious than their predecessors.
Now it would be downsized but not defeated, and would regroup and rise once more.
