No. Earnings vary widely. My tech site is doing much the same as always - a minor and expected dip in January, but only about 10%.
Look at my hub about 7 years of Adsense. I show quarterly earnings there. The sky will not fall :).
I'm totally perplexed by AdSense. I earned almost ten dollars the very first day in December and virtually nothing since (5 cents! ) although I'm coming up on 3,000 page views.
Go figure.
I don't earn a lot of money, but personally it was my best week. I earned more than usual from the end of December to the end of January.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.