I think your premise is good - avoid the illegal wiretap argument. That argument is a tar baby.
So they’re already preparing a circular argument that the taps Justified the taps even though the taps got no evidence to justify the taps
The crime.. the kill shot ..the smoking gun..is when any thing collected went out side the people that had a need to know for any legitimate investigation.
One anything that was collect go outside the firewall that should be in around legitament investigation
..that the crime
It like tax records. The goverment can have that infomation but in can not be sharing outside that Agency for political reasons ...we know they do that but it’s illegal to do that
So many circular (or self-booting) arguments, so little time. The press will fuzz the facts beyond recongnition, it is what they do.