… because no one would use it, so the modem can stay in standby all the time? (The difference in power consumption for HTTP will be utterly negligible, and the

… because no one would use it, so the modem can stay in standby all the time? (The difference in power consumption for HTTP will be utterly negligible, and the addition of TLS very slight, amounting to no more than a couple of percent in the most extreme and pessimistic cases, according to my vague recollection of TLS CPU usage from some years ago.)