what are the disadvantages of using mortar as a building material?

Question

what are the disadvantages of using mortar as a building material?

Answer 1

a) to produce the cement,it requires a lot of opencast mining which can disfigure the countryside
b) it has a carbon footprint as the sand & cement must be transported long distances
c) it is extremely heavy and needs care when carrying
d) it requires a lot of work to mix unless you use mechanical methods
e) it must be mixed to the correct consistency
f) it cannot be used in extreme temperatures
g) applying mortar requires some skill as it has a tendency to slip off the surface.

Answer 2

Irish bricklayers ...