Just skimming through the thread, it's maybe 12 people over a two year period. That's just not enough to make the limited development resources at a small company like Hubitat available for a fairly complicated task. Especially if there's no local API available. From experience, devices like this are almost always going to come from a community effort by either someone that knows how to develop drivers and just happens to own one (and feels like putting in the large effort), or they're very popular and extremely useful and reliable devices, so the demand is very high.
iHome has been around a long time, but I have always noticed them on sale and typically still sitting on the shelf while everything else around them was gone. They just don't seem to have caught on very well. I'm not certain a plug that just turns on/off and doesn't offer anything else unique is going to catch much attention. There are just too many that do the same. There's a new Zigbee outlet from Sonoff that will work with the Generic Zigbee Switch driver on Hubitat. It's $17.99 on Amazon or $12.99 direct from Itead. If you don't care about the size, there's the IKEA Trådfri outlet for just $10.
However, if your iHome Outlet is iSP6X and you are an iOS user and own an Apple TV 4 or later, then you can setup Homebridge and control the outlet locally via HomeKit. Easiest way to setup Homebridge is Hoobs. Then you create a virtual switch in HE and expose that to HomeKit via Homebridge. In the Apple Home app, you create a HomeKit Automation so when the virtual switch turns on, the iHome outlet turns on, and a second automation so that when the Hubitat virtual switch turns off, the iHome outlet turns off with it. Most of the sensors in my home are Xiaomi Zigbee sensors that run on Homebridge via a HomeKit connected Xiaom Aqara gateway and HomeKit automations. Works perfectly and is all local. I also have two iDevices products that are only Alexa, Google or HomeKit compatible, so a very similar situation to the iHome outlet. They are connected via HomeKit/Homebridge and that works great for an all local control of them.
