I don't understand the "in this country" because most countries have a policy whereby the civil aviation authorities have to agree on the feasibility of the business plan and therefore often ask quite detailed questions.
That has nothing to do with "try and failure is forbidden" but with the fact that you don't play with the safety of people and in a second degree a failing airline can cost a lot of people and companies a huge amount of money in a matter of weeks, which they will never see back, it's an extremely risky business with a huge amount of stakeholders involved. What has the business plan to do with safety? Simple, it's not a secret that many airlines try to save money at the cost of safety, especially smaller ones and start-ups. Just having an accountable financial director is not enough, civil aviation authorities will demand a thorough understanding of how much funding you need for the type of business you want to operate, where that money will come from, which customers you target (and indeed the answer 'Chinese touroperators' can very well trigger the reply 'please confirm which ones' because that's a very vague and dubious answer) etc.
And still MANY airlines fail relatively soon after receiving or renewing their AOC, so it's definitely not THAT strict that it prevents you from failing if you really insist on that right
