Sygyzy,
I hear what you are saying about the press coverage of incidents. It is both shocking and indecent that the worlds news is so imbalanced.
But with regard to economics and the lack of money in the pot, this is a lie that all airlines want us to believe, it is simple economics to spend as little as they can get away with. While I appreciate that some companies have less cash reserves or perhaps questionable financial backing, this is a constant!
Whether it be to argue their case in not raising our pay or employing enough staff for the job, Airlines are forever making decisions that they will claim are to save money. Many of which are short term savings and long term costs. The propoganda that follows these anouncements is always designed to make us fearful of losing our jobs (easily managed when you look at the relative instability of individual companies in history). But Aviation still keeps growing!
This is now an instant world and folks aren't going to wait for (literally) shipping when they've been used to flying freight delivery times.
You said it yourself! The economic demand for Air Transport is strong! If the rules were changed, do you think it would be less economical to transport goods by Air? Of course not! It would be relatively low long term cost, and easier to plan for the bean counters than the constant and much more damaging variation in Fuel prices. It would be a level playing field for all companies if fire suppression were mandated.
The airlines have coped and continue to grow in light of other restrictive regulations, including the abolition of Class D cargo compartments.