True, all sectors have limited time keep working and there are not guarantee would be job for life time although you are working at offline job, your age have most important influence keep working at any company or not after age over you will sacked from any real job. But in trading indeed many people make its not for lifetime job during earn much profitable and supported enough capital you can work without retire or sacked.
So manage well with money management by saving as much possible with profitable and enjoying later after old age, you can life with financial freedom at your old age without have working hard but trading not spent much power, time and you can trade anywhere during have good internet access. For me, trading could be lifetime job during can manage well with profitable and capital if one day later have losses but still have enough fund to buy back or start trading back.
I agree with you and I would also like to say that the opinion I gave in my post is mainly to explain that many people think that there is a high chance of loss in trading, that is why it is not a life time job. I think there is no job that could be for the life time. But many people take trading negatively.
And to be honest, the reason behind taking it negatively is that there are more people who don't know trading analysis properly, do not spend enough time here, but invest money directly, and later make various negative comments after losing money. But just like in other sectors, we have to give enough time in the initial stage and then we get work, similarly in trading, after spending enough time, when our analysis skills come to the right level, we start earning a steady profit.