QA got it so bad in the current LLM-fueled carnival of stupid. Also, what would be categorized in the times of yore as a "lamer" has incredible free tools at their disposal, so vulnerabilities are a lot more common. Add to that the fact that every goddamn thing is connected to the internet and you got a recipe for disaster.
Even if you only hit 1/100 times... if you can shot 10000 times, you're still in the green.