It's 'really hard' to be a public company right now, according to Peter Singlehurst, a senior Baillie Gifford fund manager.Public companies face reporting requirements and shareholders with different interests.Staying private for longer allows companies to build a better business, Singlehurst suggests.Baillie Gifford's investments in private companies include stakes in ByteDance, Epic Games, FlixBus, Stripe, and SpaceX.