Netgear Nighthawk M6 Pro Repeated Internet Failures

I agree with what you described 100%, except mine was the M6 not the Pro.  I bought it a year ago for my mom who can not get normal highspeed internet, we had it for 3 years on the "older" Netgear product on 4G/WiFi5 and had zero issues. We upgraded to the M6 early last year through ATT and it has been a disaster every since. I had to put a smart plug on the device to reboot it every day, I had replaced it once through ATT, changed SIM card, did multiple factory resets as required by ATT, and a year later the same issues.  I agree your solution should work but I refuse to by a standalone switch and access point when this product should work for 1 person with ease.  This was working so bad and ATT would not do anything I decided to cancel my subscription and eat the cost of the M6 so my mom could have reliable interent, I am even paying twice the price for internet service but at least it works.  I also agree, it seems when you get 2 or 3 people on it at once, traffic stops passing, I can see multiple ping losses. I would think after a year Netgear/ATT would have fixed this but they have not and lost me as a customer. I hope the get this straightened out, what a disappointment this product was along with ATT support.