The link provided by FP leaves little doubt to the storys veracity.
Barrett Tillman Aug 31, 2022 Didn’t happen but the tale persists.
I knew Bruce when I was secretary of the American Fighter Aces Assn. His friends in the 354th FG asked him to stop telling the story because he was never shot down and never stole a FW -190. Shortly after VE Day he borrowed a repaired 190 from a nearby RAF field in Germany and flew it to the 354th base where the landing gear collapsed on landing.
Other than that, Bruce was an enjoyable companion.
The story of Hoover having stolen a Fw190 has some doubts surrounding it
One might assume that Ennis provides some credibility.
While his flight to freedom was written about in his hometown newspaper after the war in November of 1945, few knew of Hoover’s Fw 190. That was until, in the mid-1980s, his fellow escapee Jerry Ennis appeared at an air show Hoover was performing at in Reading, Pennsylvania, and shared the story with attendees
https://check-six.com/Crash_Sites/Fw190-Hoover-1945.htm