I'd imagine there's quite a bit of room for innovation from both a design and technical perspective in that space given the stigma around working in it.
Probably only briefly. The only thing that kept Martha Stewart from retaking the helm of her company was an agreement to settle a civil suit the terms of which included a 5 year ban.
Do the criminal penalties for tax evasion in Germany also entail such a ban? In the US, it is fines and imprisonment only.