Robert, that’s most unlike you. One comment on another thread shouldn’t lead to the pov you are putting forward.
There are probably hundreds if not thousands of members who don’t regularly comment that have had no issues with esp8266 based controllers. I’m one of them - had several homebrew ones running for a few years and a lot of the commercial iot devices I have around the house use esp8266s and run without any problems.
In fact the esp system I have reporting temperatures on our heat bank is mounted on the heat bank, so next to the metal casing - it works perfectly. A pi zero some distance away and nearer the router is pretty flaky - it regularly loses WiFi for a time.
I think @borpin also said a pi was better because it has a proper o/s but I think I’d rather not have any sophisticated system running on my iot devices as I would then have to make sure they were up to date with the latest security patches.
esp boards are cheap and there are some great esp platforms out there, e.g. tasmota that make implementing simple controllers for sensors very easy. Tasmota has mqtt support built in which enables easily routing data to an emoncms system.