Appearances can be deceiving- one can smile while stabbing in the back. One can dress elegantly what is still a garbage can.
One can seem to be mean but you could trust your life with him/her. General MacArthur was a coarse person but he got the job done.
Can you be more specific at goal posts? For an example, he said he would accept Jerusalem as the capital of Israel and did it. He said he agree that the Golan Heights would be Israels and did it. He said he would build a wall and is doing it (the shifting goal post was who is going to pay for it - true). He said he would repeal NAFTA and did and replaced it with something better. He said he would lighten the burden of restrictions on businesses and did. He said he would give a tax break to all - and did. He said he would redo China trade and did. He said he would nominate Constitutionalist judges and has (more than 300 - filling empty seats)
I could go on.... I'm sure there has been some goal post moving - but what area specifically are you talking about? It certainly isn't the norm IMO though I am sure he has in some areas.
OK