Как такое возможно?

New York Times, сегодня:

U.S. Charges Dozens of Russian Diplomats and Spouses With Medicaid Fraud
Federal law enforcement authorities have charged nearly 50 past or present Russian diplomats and their spouses in a $1.5 million Medicaid fraud scheme [...]
The diplomats and their spouses obtained the benefits for pregnancies, births and first-year-of-life medical needs, generally applying at the same New York hospital [...]
Unlike other news briefings by Mr. Bharara, this one was not followed by the appearances in court of the defendants; because those charged are diplomats and their spouses, they have diplomatic immunity. [...]
Of the 63 births to Russian diplomats and their spouses in New York City between 2004 and 2013, 58 of those families, or 92 percent, were paid for by Medicaid benefits, the complaint says.
The complaint cites an 18-month investigation of the defendants’ Medicaid applications that revealed “general patterns of misrepresentations, which allowed them to qualify for Medicaid.”
For example, they frequently underreported their household income at an amount below the applicable Medicaid eligibility level in order to receive the benefits [...]
At the same time, they were spending tens of thousands of dollars on luxury goods and vacations, including the purchase of jewelry, watches, clothes and shoes at Jimmy Choo, Tiffany & Company and Bloomingdale’s [...]
The diplomats and spouses charged in the case currently or formerly worked at such offices as the Russian Mission to the United Nations and the Russian Consulate. [...]

Мои вопросы:
(1) У дипломатов нет страховки?
(2) Дипломаты вообще ничего теперь не боятся? А вдруг со службы попрут? Или дипломатничать нынче уже не так привлекательно, как во времена СССР?
(3) Кстати, а могут и вправду попереть?