Based on the quote from his "farewell address," george washington would have been not have been very supportive of

He wouldn't have been supportive of political parties

He didn't want for the country to split between parties and for people to fight each other. However, nobody listened to him and the party system was created instantly and the second president was a member of such a party. He disliked this because he wanted for people to work together and not work for party interests and against each other.