He developed a strong distaste for those who criticized the German sectarians[notes 1] and their beliefs.
With his preferences, Sower was naturally of loyalist sympathies before and during the Revolutionary War.
[1] He received his father's Germantown home and printing and publishing operations in 1774 when they were handed over to him without legal formality.
[2] He then began publishing a newspaper, Germantowner Zeitung, which had a loyalist tone so far as the authorities allowed.
[1] After Cornwallis's defeat in 1781, Sower went to England and received an indemnification for his losses.