Even amb Sundland said it was a quid pro quo.
The testimony from Dr Hill, Lt Col Vidman , amb Yavonovich and amb Taylor was a lot more damaging for Trump.
Quid pro quo is not one of the charges.
Quid pro quo is how all business is done.
But they changed the charges to be vague - abuse of power / obstruction for the very reason their inquiry didn't prove shit.
But, Ukraine said they were not pressured, and now they are saying Ukraine didn't even know.
It still boils down to whether Trump was investigating corruption, or a political rival to influence the election.
And that wasn't even close to being proven.