No, refactoring code isn't a waste of time. It's like changing the oil on the company car. Skipping maintenance costs more than doing it.
Imagine you're building a house. To go faster, you skip the insulation. "We'll deal with it later," you say.
Winter comes. The heating bill explodes. You have to break the walls to insulate. It costs you 3x the original price.
Code is the same
Tech debt is all those shortcuts taken to "ship fast". At first, you save time. In the end, you can't move anything without everything collapsing.
"Code is read much more often than it is written." - Zen of Python
How to measure it concretely
Three signals that never lie: the average time to ship a new feature doubles every six months, the cost of a production bug triples, and your best developers start talking about "rewriting from scratch". When you see all three, you've accumulated too much debt.
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