Yes over utilization is areas is bad.
But if your in an area thats ok, its down to the SH, it was never designed to be used for gaming. Then the SH3 and SH4 had the useless Puma chipset issues.
I have been using VM for internet since 2007, in them days you just got a modem and you had to provide your own router.
Then they came up with the SH (Superhub), nothing is super about it.
I have used the SH, SH2 SH2AC (beta tested), SH3 and SH4, all have been useless in router mode, when you put them into modem mode, and add your own router its a different story. I can game on PC, and PS5 with NO issues.
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Red (VM SH2 AC Beta tester)
Running on 1Gbps VM service with SH4 in Modem Mode, with a ASUS GT-AX6000 router. With this setup I get Fantastic WIRED and WIRELESS Signals in my home. I dont work for VM. But I work in IT, and I know my tech.
My advice is at your own risk. If you are happy with my answers please press Kudo ?