Is it to Naftali Bennett's Advantage to break his Agreement with Tekuma ?

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Bennett's Bayit Yehudi party has not yet officially ratified the agreement to grant the more religious tekuma faction 4 out of the first 18 Knesset candidates on their list.
So far the party has gone out of the way of portraying themselves as not so religious.
In one of Bennett's campaign videos they have a bride in a small part of the video dressed in a very revealing way in the back not in keeping with Jewish religious standards of Tzniut (modesty).
As part of their official campaign video they had a women singer.
Bennett has brought in as one of his personal picks granted him to place on the Knesset list, Yinon Magal an editor for Walla's news site
who claims he keeps the sabbath but does not wear a Kipah.
see http://www.israelnationalnews.com/News/News.aspx/189190#.VMFZ_0eUcmM
If Bennett gets rid of Tekuma he could even water down his religious message/image even further and at the other hand save Eli Yishai's party from not making
the 4 seat limit needed to get into the Knesset, since Tekuma then would join with Yishai.
The phoney right wing bloc would then go up by about 4 seats increasing Bayit Yehudi's chances to be in on the next government.
On the other hand I don't know if Bennett is willing to endanger tarnishing his image as a relatively honest guy.
In any case I don't plan to vote for Bennett, but interested what others have to say about this.

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Keep in mind that if Tekuma does join with Yishai they are expected to get a total of 7 seats with the possibility of even much more at the expense of Deri's Shas party.