He’s a Steinway fanboy, which is good. He’s stated that he doesn’t want to change things, which also can be good. A pure craft-and-culture company like Steinway should probably NOT be publicly-traded, so being privately held is likely better.
I am not a pianist, but pay attention to stuff like this, with an eye to Martin Guitars, the histories of Gibson and Fender, etc. This move kinda freaks me out - HFB’s (hedge fund billionaires) are modern robber-barons - but I also see the argument for patronage across history…