This is in fact not correct. There are two unique identifiers for every german citizen, first the so called "Rentenversicherungsnummer" and the "Steueridentifikationsnummer". Both are assigned at birth.
Consider this example: The Fed has issued $2 worth of treasuries in the past, which mature today. If the Fed then issues only $1 of new treasuries today, the overall amount of treasuries in circulation shrinks.
Not really incorrect. Both are in a way correct.
In 2002 the nuclear power phase-out was written into law.
With Merkel in 2010 there was a decision to keep the power plants running for far longer. This extension was retreated because of the Fukushima desaster.
Oil might last a lot longer than you think at first. Even at the proven oil reserves of 2016 the oil would last for 47 years (https://www.worldometers.info/oil/). Additionally, new reserves could be found.
Another potentially very large source of oil is coal. You can make oil from coal via the Fischer-Tropsch technology. As there already are considerably more proven coal reserves than oil reserves, this would probably push out the point of "no oil left" a lot further.
I think, they are already banning many of the malicious apps. As nobody cares about those apps, these removals don't make any news and therefore it seems google is not punishing malicious apps.