After multiple episodes of it being a mystery, Fear The Walking Dead finallyrevealed why Strand is turning so many survivors away from the Tower. For the majority of season 7, he's placed a tight grip on control of the Tower.
It turned Strand's empire into becoming a borderline totalitarian regime, as Strand has been particular about who he lets into his establishment, with a majority of the survivors seeking refuge being turned away. Fear the Walking Dead season 7 episode 7, «The Portrait,»
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