Wasting wealth is absolutely the most shameful act.
Since they are resources, they must be put to good use. Those German overseas intelligence officers will definitely come in handy in the future.
However, Pierre was just as interested in those "elite" of the Third Reich who had fled—more precisely, he was interested in the money they had in their hands.
According to later accounts, after the collapse of the Third Reich, its exiles took with them vast fortunes, possibly amounting to billions of dollars. There were even rumors of the so-called "Third Reich hoard." People swore by these stories, because Germany had indeed plundered enormous wealth.
It wasn't just the state; in fact, many of the top brass in the Third Reich were on a whole other level compared to mere royal relatives. Take Göring, for example—his favorite pastime was "borrowing" art treasures from various museums to enjoy in his own home.
After enough "appreciation," those treasures naturally became his.