> Things like security and performance should be given. This is akin to arguing that small restaurants shouldn't care about food safety, or that small construction firms shouldn't worry about building codes.
No, it's completely different. Food safety and building codes is akin to good software engineering; on the other hand, security against hacks is more like a restaurant protecting you from a third party poisoning your food, or a building withstanding planes crashing into it. Most building and most restaurants don't offer such protection.
If we're talking about security and a small restaurant, it would be more like the restaurant never bothering to lock its doors after hours, having no security cameras, and not bothering to put its money in a safe place, leaving it out in the open to be stolen.
No, it's completely different. Food safety and building codes is akin to good software engineering; on the other hand, security against hacks is more like a restaurant protecting you from a third party poisoning your food, or a building withstanding planes crashing into it. Most building and most restaurants don't offer such protection.