He said “which bank”, which could be determined by the sniffing DNS requests, or seeing which IPs his computer is connecting to.
Not a breach of his personal information (assuming the bank that he’s using and the client he’s using after putting everything in TLS properly).
They’re not going to cast votes. This will all be done with recess appointments, and all of these “concerned” senators will “express their concerns” with the exploitation of the recess appointment process and lament that there was nothing they could do about it.
They had really hoped that Mr. Trump would cooperate with the advice and consent process, but what can they do if he pursues the recess route? It really is too bad and all of that.