The 2. in the series, if I understand it right, is that they overwhelming the derelict SIP feed between market locations, increasing the benefits that their own

The 2. in the series, if I understand it right, is that they overwhelming the derelict SIP feed between market locations, increasing the benefits that their own high speed connections brings. If true, that does make money because they can act "in advance" at other markets before the artificially slowed SIP data gets there.