Very LOW AdRevenue on YouTube

My YouTube channel is finally being recommended, I am finally posting one video per day but the results are totally pathetic.

Example 1:

+10 minutes video, 5 ads inserted
Top 3 audience from this video: United States 26.7%, Russia 5.7%, Argentina 3.6%
70k views and 26 dollars? What?

Example 2:

+10 minutes video, 5 ads inserted
Top 3 audience from this video: United States 29%, Russia 6,1%, United Kingdom 3,8%
10k views and 4,32 dollars? What?


Example 3:

14 minutes video, 5 ads inserted
Top 3 audience from this video: USA 17,8%, Russia 3,9%, UK 3,3%
15,5k views and only 2,88 dollars?????


What is the problem here? I never seen such a low revenue for videos that are actually targeting most of the USA people. I suppose a tech indian channel is doing more money from this views than I am doing now.
Do you have an explanation for this? Is it low revenue because of the virus or something? I only have seen just a few videos talking about ad revenue. But to be honest most of the youtubers are not talking about this. In fact, I have seen channels with huge revenue recently because of the high traffic on youtube.
Is it because of targeting an audience who probably most of them use adblock?

This is an example of a video from a few months on my channel. Check how HIGH was the AdRevenue:


70K and 290 dollars earned!!!

See the difference?
Are my videos so low revenue now because of the virus? because of a bad target audience? or is YouTube just messing with my channel so I won't earn as much as before?
Please help a brother here with a good advice.

1. Spamming viewers with 5 adverts will probably be putting them off and they will click away fast

2. The other issue right now will be companies pulling budgets due to the virus, so you're likely going to face issues with ear rings yes

3. All your images are broken dude!