They will rollout to masses, which is as important as its performance.
Bard will be under intense scrutiny from the public in the short term.
Any sign of weakness against GPT4 might kill the product in the public opinion.
It makes a lot more sense IMO to throw money at the problem in the short-term, and optimize later. They are playing catch-up.
They could throw 5% of their available cash at it, and it would still make sense.
FB threw $19B at the whatsapp acquisition and it was a hell of a good deal.
Or the whole company going under.
Same of AWS, or other big techs as well.
They will rollout to masses, which is as important as its performance.