A Software bug can remain unnoticed throughout the entire development cycle of a product, and even during production. Indeed, many product owners focus solely on accomplishing one phase after another to reach a successful release. Still, they forget that one minor bug can spoil all the previous work done earlier.
If you are at the point of improving your business strategies, don't postpone bugs identification to later stages when it may be more challenging to deal with them. A stitch in time saves nine, and the high-quality and ready-to-life product is the best condition for success.