A thing that really annoy me in the current build is the fact that, in the construction mode, every click place a building.
It often happens that I misclick far from my town and "pouf", a building appeared on my town. It is especially problematic because left clic also allow you to move the Cloth map. Sometimes, you intend to move the map and the building is constructed ... even though you do not intend to build anything.
... And just try to unzoom ... things will get problematic soon :
example:

