I agree, it's not ideal. However taking different factor into account I think for me it's good enough. There was even a benefit - I wasn't limited by the location of the existing wiring.
I think that was for initial setup phase on the desk. This doorbell exists in POE and WiFi versions but...
With a bit of an extra effort one can have Reolink activate mechanical doorbell. See this thread: Reolink Video Doorbell with Standard Electro/Mechanical Chime Guide. I have it running like that for a bit over half a year and I'm quite happy.