I would have PM'ed him directly but can't find his/her name in the forums users list. I've undone a couple of these but there are plenty more & he/she would likely continue to do so. Most of these such edits were made sometime today.
He/she has been doing these edits in Trinidad & Tobago around this area
Waze convention is to use suffix abbreviations in street names. ("Main Rd" instead of "Main Road")