The systematic push to criminalize any semblance of connection to the Ikhwan, through jail, intimidation, harassment and so on, seems clearly aimed at dissecting the Brotherhood, purging it of its passive supporters, and radicalizing those who remain steadfast.
At the same time, non-Ikhwan Islamist groups will be labelled anyway as Ikhwan, to essentially make political Islam illegal. A key objective of this strategy is to drive Islamists to undertake struggle against the security forces.
Here it may be useful to point out one of the reasons you do not want your infrastructure to be in the hands of the private sector, especially not foreign investors: they do not make money from functioning infrastructure. Corporations are dedicated to maximum short term profit, that means, they WANT the infrastructure to need continuous and extensive rebuilding. What that means is, you are putting institutions in charge of the society who have no vested interest in the society’s stability, and everything to gain from strife and destruction.
Turning the crisis in Egypt into an armed insurgency is profitable for the military, both monetarily and politically, and it is clearly lucrative for multinationals and foreign investors, particularly from the Gulf. And, of course, it keeps everyone from focusing on the real dynamics of the imperial power system conquering the country.