It COULD mean the US are struggling to find investors though? I thought China sold quite a large amount of their bond holdings with the US gov (assuming that was the same thing).
1.7% is still generally break even. They might see demand at that price but I imagine people expect to do better with other investments (like private companies and cryptocurrencies) at this stage...
This probably only affects companies and country's that want to or need to use bonds as form of payment.
BTC price has risen
It seems that there was no adverse effect