Doorbell 3 Plus Hardwiring

Ah. Here it is:

https://support.ring.com/hc/en-gb/articles/360040904932-Important-Information-on-Upgrading-From-Ring-Video-Doorbell-2-to-Ring-Video-Doorbell-3-Plus#:~:text=Resistors%20are%20not%20needed%20when%20hardwiring%20a%20Ring%20Video%20Doorbell%203%20Plus.&text=Share%20feature%20requests%2C%20get%20help,on%20Ring%27s%20first%20community%20forum.

It clearly says no resistor is needed with the 3 Plus, but it isn’t a specific installation article - just an ‘upgrading’ one.

And yet so many other installation articles either don’t say anything about a resistor, or state that one is needed.