I find it interesting that someone accustomed to forging miracles would be impressed enough with the miracles following Phillip to believe. It is the type of miracles here that cannot be forged. A man either has palsy or he doesn't and the people around that man know it.
They believed, but had not received the Spirit. Is this because they were Samaritan? Was the emphasis of this odd delay so that the Church could officially acknowledge and take note of the Spirit's cross over to the gentiles? If not, we can pursue several slippery slope theory's of the operation of the Spirit and when and how and by whom it can be received.
2012 - pBiblx2 Field Wise Bible System Version 2.0.9d - GPL3