brilliant idea of ​​a welder in making clamps

why didn't the welder think about it from the beginning, how to make clamps only from iron pipes

TOOLCOOL D16 Portable Welding Table Clamp for Precise Fixing and Clamping Workpieces on Thin Welding Table with 5/8 Inch (16mm) Holes

Welding Pipe Clamp 10-Inch Welding Pipe Plier, Fast Release, C-Clamp Locking with Large V-Pads, welding tools and accessories (1 Pack)

10-inch Locking Sheet Metal Clamp, Heavy Duty Sheet Metal Grip Tool, Heat-Treated Nickle Plated Welding Plier

What is Welding? - Definition, Processes and Types of Welds