When you hire the guys who can do it cheaper.....

[Justdroppedin]

https://thumbs.gfycat.com/NearGrippingDorado-size_restricted.gif

[Letsreg]

I guess they never heard of mortar.

[fn59]

I guess they never heard of mortar.

The guy has a trowel in his hand.

[Letsreg]

The guy has a trowel in his hand.

He might have a trowel, but I still don't see mortar on the horizontal surfaces, only vertical

[fn59]

There's a couple of boards with mortar on the left side of the wall. Might be that the type of brick they used isn't meant to be used as a stand alone wall.