If google provides a credit limited to $300 for new accounts, then it has the ability to limit spend. It should make this available. To be fair: I'm sure they

If google provides a credit limited to $300 for new accounts, then it has the ability to limit spend. It should make this available. To be fair: I'm sure they don't provide this limit to make money, because this is a rare case, but to avoid the far more common case of established business going offline because someone forgot to update a limit.