When the GOP chairperson needs to state the party will support the eventual nominee–well, that says everything that needs to be said about the sorry state of the Republicans.
The GOP is on life-support, splintered, and so damaged from Donald Trump. When was the last time a party chairperson had to make such an announcement? This move in and of itself was a PR blunder—just added to the countless others that have taken place this cycle. Rank and file members of the party should be very upset with what is now happening.