Earlier quoted context omitted.
Scale is important, google makes ~20 billion in profit per year making these relatively minor bets. Further even if these projects never return a dime directly they have a halo effect which helps the overall company.
> Scale is important, google makes ~20 billion in profit per year making these relatively minor bets. Sorry, what? The Other Bets segment loses $2.5 billion per year.
Sure, they might have made an extra 0.6 billion that quarter, but it's not exactly a hidden bet. Further, these are R&D losses, so it's hard to say what the long term impact is, but it's unlikely to be exactly -2.5 billion / year.