I do not know how much this silvergate issue really hurt USDC or not. I understand that circle lost some huge amounts there, and that is why it's down right now, but does it really mean that they had no reserves at all? Maybe they still have enough for 1 to 1 ratio and this was just excess amount they had?
I really do not know, but if it is true that they lost peoples money in this bankruptcy then we are all in trouble with all the other coins as well. They might as well be gone too, USDT or anything else too, because even if they didn't had money in silvergate, they have it somewhere else and it could be gone just like this one day and we would be in trouble.
It is going to hurt USDC on the long run, even if it seems they have solved the crisis for now it is not as if this is going to be the last time that yet another bank goes bankrupt, and if anything we must expect this to happen more often during the next years.
So if the owners of stable coins are relying on financial institutions to safeguard their funds then sooner or later this will happen again, and this will erode the confidence investors have on stable coins even further.