I recently made a few for a couple of screw machine shops. Both shops using 5" Dia. X1" wide with a 1" mounting hole. The first shop wanted to go with hobbing to get a modified acme thread close to a shoulder, in brass, with faster cycle times and longer tooling life. The hob turns at a 1 to 1 ratio, so it's pretty much in and out. And with 100 teeth, the chip load is extremely light.
The second shop wanted to pull the part from their cnc's and move them to the Wickman's to improve their bottom line.That thread was a modified acme triple blunt start (started about 1/8 of an inch into a turned minor dia.) in aluminum using most of the tools width. They were able to drop the cycle time from just under 5 minutes on the cnc to just under 50 seconds complete on the cam machine.
They do leave a series of flats on the threads, determined by the number of teeth. But still a functioning thread.
The brass part was for a faucet mfr, and the aluminum part was a captive aerospace electrical fitting mfr.
So hobs are still used but both customers said the only other shop they could find to make them was in the UK, at around $1400 ea. I don't know if that was because of the modified thread, but at that price, they're kind of prohibitive for most jobs. Maybe standards are cheaper?