What is the cost of it breaking? $0? $1,000? $10,000?
What is the cost to fix the broken code?
What is the cost to maintain it?
How much developer time do you waste down the line because they have to fix the "working" code?
I say these things because I've seen this attitude expressed in a large codebase and it sucks a lot to work with and has wasted many hours of developers' lives.
Technical debt is almost never paid back. Just know that going in to whatever you are building.