Or, MSM are waiting to see what eventuates from the raid. That is, just seeing it for what it is - not a huge development at this stage. After all, all the investigations being undertaken now have been dealt with fairly comprehensively before.
It could be that the current GOP investigations are being undertaken because Trump requested them which is his right. Why weren't they undertaken a couple of years, whenever, back? They could be seen to be meant to be a distraction from the Mueller investigation, as much as anything else.
We can only wait to see what if anything more they contribute that previous investigation into them didn't.
It was Plato who said, “He, O men, is the wisest, who like Socrates, knows that his wisdom is in truth worth nothing”