If I'm reading the fine article correctly this isn't just about WiFi. They had a ban on cable internet in place already. A ban on fiber internet is being put in place, likely more of closing a loophole than anything really new as people could argue that fiber is not cable. The WiFi ban is likely also closing a loophole as people were signing up for WiFi service to their homes, using WiFi at cafes, or such so as to get faster internet than they could have with cellular. I'd expect the next step to restricting communications is somehow getting cellular internet slowed or restricted somehow. Then people might be using 14.4 bps cellular modems for internet, that way they can LAN party like its 1999.
Anyone else have a Motorola Timeport with the serial interface cable for mobile internet access? I believe I got rid of mine in 2006. Someone must still be making some kind of equivalent yet.
With no WiFi there's no cheap and easy way to leach off what little internet access is allowed for government and approved businesses. With the remaining access to the internet by the general public restricted to mobile phones there's a single point of access, and this is controlled to where they can shut it down quickly. The justification for shutting off cellular phone access is that the system has been used to trigger explosives directly.
Thinking of remote triggering of explosives I'm reminded of reading something about a deputy sheriff coming to some kind of mine or demolition site to register some complaint. There were big *HUGE* signs that any RF gear was restricted inside the area. The deputy demanded the work stop until he saw some paperwork. The foreman showed the papers, the deputy went to his cruiser, keyed up the mic on his radio to verify the papers where legit, and... the explosives went off. It's not like this was any kind of special radio, likely 50 watt UHF business band radio that produced just enough RF noise to set off the primers on the explosives. It was a good thing that the area was cleared before this yahoo cop violated a very basic safety protocol. If there's an intention to set off explosives from a distance then they can use mobile radios instead. This is off the shelf stuff, and can allow for communication range over miles. To avoid random triggering like in the example I gave they can put in a bit more work on the filters and such than that used for demolition work.
Tracking down WiFi to locate and punish those violating the restrictions is likely trivial enough to keep people from trying it, especially if the punishment is severe. What might be difficult to trace is satellite internet. I'm not sure what kind of power, frequencies, and such that satellite internet uses. With the ability to focus and direct the RF up to satellites I'm guessing that this could be difficult to track, at least from the ground. The connection to any devices would have to be by wires, of course, or it's just back to having easily located WiFi again.